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  • 1
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    Anti-inflammatory, anti-angiogenetic and antiviral activities of dammarane-type triterpenoid saponins from the roots of Panax notoginseng
    Royal Society of Chemistry (RSC) ; 2022
    In:  Food & Function Vol. 13, No. 6 ( 2022), p. 3590-3602
    Details
    In: Food & Function, Royal Society of Chemistry (RSC), Vol. 13, No. 6 ( 2022), p. 3590-3602
    Abstract: Panax notoginseng has been used both as a traditional medicine and as a functional food for hundreds of years in Asia. However, the active constituents from P. notoginseng and their pharmacologic properties still need to be further explored. In this study, one new dammarane-type triterpenoid saponin (1), along with fourteen known analogs (2–15) were isolated and identified from the roots of P. notoginseng . The anti-inflammatory, anti-angiogenetic and anti-dengue virus effects of these isolated compounds were further evaluated. Compounds 1, 3, 5–7 and 10–12 exerted anti-inflammatory effects in two different zebrafish inflammatory models. Among them, 11, with the most significant activities, alleviated the inflammatory response by blocking the MyD88/NF-κB and STAT3 pathways. Moreover, compound 15 showed anti-angiogenetic activities in Tg( fli1:EGFP ) and Tg( flk1:GFP ) zebrafish, while 3 and 5 only inhibited angiogenesis in Tg( fli1:EGFP ) zebrafish. Additionally, compounds 1, 3, 6, 8, 9 and 12 suppressed the replication of dengue virus either at the viral adsorption and entry stages or at the intracellular replication step. In conclusion, these findings enrich knowledge of the diversity of saponins in P. notoginseng and suggest that the dammarane-type triterpenoid saponins from P. notoginseng may be developed as potential functional foods to treat inflammation, angiogenesis or dengue-related diseases.
    Type of Medium: Online Resource
    ISSN: 2042-6496 , 2042-650X
    URL: Article
    DOI: 10.1039/D1FO04089H
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2022
    detail.hit.zdb_id: 2578152-2
    SSG: 21
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  • 2
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    De novo mutations across 1,465 diverse genomes reveal mutational insights and reductions in the Amish founder population
    Proceedings of the National Academy of Sciences ; 2020
    In:  Proceedings of the National Academy of Sciences Vol. 117, No. 5 ( 2020-02-04), p. 2560-2569
    Details
    In: Proceedings of the National Academy of Sciences, Proceedings of the National Academy of Sciences, Vol. 117, No. 5 ( 2020-02-04), p. 2560-2569
    Abstract: De novo mutations (DNMs), or mutations that appear in an individual despite not being seen in their parents, are an important source of genetic variation whose impact is relevant to studies of human evolution, genetics, and disease. Utilizing high-coverage whole-genome sequencing data as part of the Trans-Omics for Precision Medicine (TOPMed) Program, we called 93,325 single-nucleotide DNMs across 1,465 trios from an array of diverse human populations, and used them to directly estimate and analyze DNM counts, rates, and spectra. We find a significant positive correlation between local recombination rate and local DNM rate, and that DNM rate explains a substantial portion (8.98 to 34.92%, depending on the model) of the genome-wide variation in population-level genetic variation from 41K unrelated TOPMed samples. Genome-wide heterozygosity does correlate with DNM rate, but only explains 〈 1% of variation. While we are underpowered to see small differences, we do not find significant differences in DNM rate between individuals of European, African, and Latino ancestry, nor across ancestrally distinct segments within admixed individuals. However, we did find significantly fewer DNMs in Amish individuals, even when compared with other Europeans, and even after accounting for parental age and sequencing center. Specifically, we found significant reductions in the number of C→A and T→C mutations in the Amish, which seem to underpin their overall reduction in DNMs. Finally, we calculated near-zero estimates of narrow sense heritability ( h 2 ), which suggest that variation in DNM rate is significantly shaped by nonadditive genetic effects and the environment.
    Type of Medium: Online Resource
    ISSN: 0027-8424 , 1091-6490
    URL: Article
    DOI: 10.1073/pnas.1902766117
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: Proceedings of the National Academy of Sciences
    Publication Date: 2020
    detail.hit.zdb_id: 209104-5
    detail.hit.zdb_id: 1461794-8
    SSG: 11
    SSG: 12
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  • 3
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    Chinese Consensus Report on Family-Based Helicobacter pylori Infection Control and Management (2021 Edition)
    BMJ ; 2022
    In:  Gut Vol. 71, No. 2 ( 2022-02), p. 238-253
    Details
    In: Gut, BMJ, Vol. 71, No. 2 ( 2022-02), p. 238-253
    Abstract: Helicobacter pylori infection is mostly a family-based infectious disease. To facilitate its prevention and management, a national consensus meeting was held to review current evidence and propose strategies for population-wide and family-based H. pylori infection control and management to reduce the related disease burden. Methods Fifty-seven experts from 41 major universities and institutions in 20 provinces/regions of mainland China were invited to review evidence and modify statements using Delphi process and grading of recommendations assessment, development and evaluation system. The consensus level was defined as ≥80% for agreement on the proposed statements. Results Experts discussed and modified the original 23 statements on family-based H. pylori infection transmission, control and management, and reached consensus on 16 statements. The final report consists of three parts: (1) H. pylori infection and transmission among family members, (2) prevention and management of H. pylori infection in children and elderly people within households, and (3) strategies for prevention and management of H. pylori infection for family members. In addition to the ‘test-and-tre at’ and ‘screen-and-treat’ strategies, this consensus also introduced a novel third ‘family-based H. pylori infection control and management’ strategy to prevent its intrafamilial transmission and development of related diseases. Conclusion H. pylori is transmissible from person to person, and among family members. A family-based H. pylori prevention and eradication strategy would be a suitable approach to prevent its intra-familial transmission and related diseases. The notion and practice would be beneficial not only for Chinese residents but also valuable as a reference for other highly infected areas.
    Type of Medium: Online Resource
    ISSN: 0017-5749 , 1468-3288
    URL: Article
    DOI: 10.1136/gutjnl-2021-325630
    RVK:
    XA 10000
    Language: English
    Publisher: BMJ
    Publication Date: 2022
    detail.hit.zdb_id: 1492637-4
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  • 4
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    Recombinant humanized anti-PD-1 monoclonal antibody (JS001) in patients with refractory/metastatic nasopharyngeal carcinoma: Interim results of an open-label phase II clinical study.
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 15_suppl ( 2019-05-20), p. 6017-6017
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. 6017-6017
    Abstract: 6017 Background: Metastatic nasopharyngeal cancer (NPC) patients progressed afterstandardtherapy have limited treatment options. Toripalimab, also known as JS001, a humanized IgG4 antibody specific for human PD-1, has been approved for 2 nd line treatment of metastatic melanoma in China. Here we report the results from a phase IIstudy in metastatic NPC patients treated with toripalimab.(Clinical trial ID: NCT02915432). Methods: This multi-center, open-label, phase II registration study is designed to evaluate the safety and efficacy of toripalimab in metastaticNPC patients who have failed systemic treatment. Toripalimabis given at 3 mg/kg IV Q2W until disease progression or intolerable toxicity.Tumor PD-L1 expression, plasma EBV DNA level and other biomarkerswill be correlatedwith clinical response. Results: Enrollment of 190chemo-refractory metastatic NPCpatients was completed by Feb 2019 from 17 participating centers. The median age was 46 years, with 89.5% patients received at least 2 lines of prior systemic therapies. Treatment related adverse events (TRAE)occurred in 92% patients, which were mostly grade 1 or 2.Common TRAE includedanemia, hypothyroidism, AST increased, proteinuria, pyrexia, cough, constipation, ALT increased, hypoalbuminemia and pruritus.Grade 3 or higherTRAEoccurred in 25% patients.By the cut-off date of Jan 7 2019, among 135 evaluable patients, 3 complete responses, 31 partial responses and 40 stable diseaseswere observed for an objective response rate (ORR) of 25.2% and a disease control rate of 54.8%. PD-L1 expression results were obtained from 125 patients and 45.6% (57/125) were PD-L1+.PD-L1+ patientsachieved slightly higherORR than PD-L1- patients, 29.8% versus 22.1%. In addition, an average drop of 47-fold plasma EBV DNA copy number was observed in responding patients, which typically proceeded the radiographic identification of clinical benefit. Conclusions: Toripalimab has demonstrated a manageable safety profileand encouraging clinical activity in the largest check-point blockade study in NPC to date. A change in plasma EBV DNA copy number might serve as a predictive marker for favorable clinical response. Patients will be continuously monitored for additional safety and survival readouts. Clinical trial information: NCT02915432.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2019.37.15_suppl.6017
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 5
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    Recombinant humanized anti-PD-1 monoclonal antibody (JS001) as salvage treatment for advanced gastric adenocarcinoma: Preliminary results of an open-label, multi-cohort, phase Ib/II clinical study.
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 4_suppl ( 2018-02-01), p. 108-108
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 4_suppl ( 2018-02-01), p. 108-108
    Abstract: 108 Background: Patients with gastric adenocarcinoma (GC) or gastroesophageal junction cancer (GEC) often present with advanced or metastatic disease, which has poor prognosis and limited treatment options and represent an important unmet medical need especially in China/Asia. JS001, a humanized recombinant IgG4 antibody against PD-1, selectively blocks the interactions of PD-1 with its ligands PD-L1 and PD-L2, and promotes antigen specific T-cell activation. A phase I study of JS001 in Chinese patients with heavily pretreated solid tumors has demonstrated an acceptable safety profile in doses up to 10 mg/kg Q2W. Here we report the safety and efficacy of JS001 in a phase Ib/II clinical study in Chinese patients with refractory/metastatic GC. (Clinical trial ID: NCT02915432) Methods: Refractory/metastatic GC Patients receive JS001 3 mg/kg Q2W until disease progression or unacceptable toxicity. All patients with measurable disease will be assessed for clinical response every 8 weeks according to the RECIST 1.1 criteria. Tumor PD-L1 expression as well as additional potential predictive biomarkers are monitored for correlation with clinical response. Results: Between Apr 19, 2017 and Sep 11, 2017, 48 GC pts (74.5% received at least 2 Lines of treatment) were enrolled into the study. Treatment related adverse events occurred were mostly grade 1 or 2. As of Sep 11, 2017, 25 GC pts have been evaluated for clinical efficacy. 5 PR (partial response) and 10 SD (stable disease) were observed (ORR 20% and DCR 60%). The PD-L1 expression positivity (defined as positive staining ³1% on Tumor Cell or on Immune Cell by SP142) in EC tumor was 14.3% (7/48). 3/5 (60%) PD-L1+ patients and 2/20 (10%) PD-L1 negative patients achieved partial responses. Conclusions: JS001 showed a promising preliminary clinical activity in heavily pre-treated metastatic GC pts with a manageable safety profile. Of the 25 evaluable GC patients by 9/11/2017, 5 PR and 10 SD were observed (ORR 20% and DCR 60%). Among PD-L1 positive patients (n=5), ORR was 60% and DCR 80%. Pts will be continuously monitored for safety and efficacy upon JS001 treatment. Clinical trial information: NCT02915432.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.36.4_suppl.108
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
    detail.hit.zdb_id: 2005181-5
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  • 6
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    The United States COVID-19 Forecast Hub dataset
    Springer Science and Business Media LLC ; 2022
    In:  Scientific Data Vol. 9, No. 1 ( 2022-08-01)
    Details
    In: Scientific Data, Springer Science and Business Media LLC, Vol. 9, No. 1 ( 2022-08-01)
    Abstract: Academic researchers, government agencies, industry groups, and individuals have produced forecasts at an unprecedented scale during the COVID-19 pandemic. To leverage these forecasts, the United States Centers for Disease Control and Prevention (CDC) partnered with an academic research lab at the University of Massachusetts Amherst to create the US COVID-19 Forecast Hub. Launched in April 2020, the Forecast Hub is a dataset with point and probabilistic forecasts of incident cases, incident hospitalizations, incident deaths, and cumulative deaths due to COVID-19 at county, state, and national, levels in the United States. Included forecasts represent a variety of modeling approaches, data sources, and assumptions regarding the spread of COVID-19. The goal of this dataset is to establish a standardized and comparable set of short-term forecasts from modeling teams. These data can be used to develop ensemble models, communicate forecasts to the public, create visualizations, compare models, and inform policies regarding COVID-19 mitigation. These open-source data are available via download from GitHub, through an online API, and through R packages.
    Type of Medium: Online Resource
    ISSN: 2052-4463
    URL: Article
    DOI: 10.1038/s41597-022-01517-w
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2775191-0
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  • 7
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    Recombinant humanized anti-PD-1 monoclonal antibody (JS001) as salvage treatment for advanced esophageal squamous cell carcinoma: Preliminary results of an open-label, multi-cohort, phase Ib/II clinical study.
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 4_suppl ( 2018-02-01), p. 116-116
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 4_suppl ( 2018-02-01), p. 116-116
    Abstract: 116 Background: Patients with Esophageal squamous cell carcinoma (EC) often present with advanced and metastatic stage disease, which has poor prognosis and limited treatment options, and represent an important unmet medical need especially in China/Asia. JS001, a humanized recombinant IgG4 antibody against PD-1, selectively blocks the interactions of PD-1 with its ligands PD-L1 and PD-L2, and promotes antigen specific T-cell activation. A phase I study of JS001 in Chinese patients with heavily pretreated solid tumors has demonstrated an acceptable safety profile in doses up to 10 mg/kg Q2W. Here we report the safety and efficacy of JS001 in a phase Ib/II clinical study in Chinese patients with refractory/metastatic EC. (Clinical trial ID: NCT02915432) Methods: Refractory/metastatic EC Patients receive JS001 3 mg/kg Q2W until disease progression or unacceptable toxicity. All patients with measurable disease will be assessed for clinical response every 8 weeks according to the RECIST 1.1 criteria. Tumor PD-L1 expression as well as additional potential predictive biomarkers are monitored for correlation with clinical response. Results: Between Apr 19 2017 and Sep 11 2017, 56 EC pts (84.9% received at least 2 Lines of treatment) were enrolled into the study. Treatment related adverse events occurred were mostly grade 1 or 2. As of Sep 11 2017, 34 EC pts have been evaluated for clinical efficacy. Among these pts, 8 PR (partial response) and 14 SD (stable disease) were observed (ORR 23.5% and DCR 64.7%). The PD-L1 expression positivity (defined as positive staining ³1% on Tumor Cell [TC] or on Immune Cell [IC] by SP142) in EC tumor tissue was 21.4% (12/56). 2/10 (20%) PD-L1+ patients and 6/24 (25%) PD-L1 negative patients achieved partial responses. Conclusions: JS001 showed a promising preliminary clinical activity in heavily pre-treated metastatic EC pts with a manageable safety profile. Clinical response was not correlated with PD-L1 expression. Pts will be continuously monitored for safety and efficacy upon JS001 treatment. Clinical trial information: NCT02915432.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.36.4_suppl.116
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
    detail.hit.zdb_id: 2005181-5
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  • 8
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    Efficacy, Safety, and Correlative Biomarkers of Toripalimab in Previously Treated Recurrent or Metastatic Nasopharyngeal Carcinoma: A Phase II Clinical Trial (POLARIS-02)
    American Society of Clinical Oncology (ASCO) ; 2021
    In:  Journal of Clinical Oncology Vol. 39, No. 7 ( 2021-03-01), p. 704-712
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 7 ( 2021-03-01), p. 704-712
    Abstract: As yet, no checkpoint inhibitor has been approved to treat nasopharyngeal carcinoma (NPC). This study was aimed to evaluate the antitumor activity, safety, and biomarkers of toripalimab, a new programmed death-1 (PD-1) inhibitor for recurrent or metastatic NPC (RM-NPC) refractory to standard chemotherapy. PATIENTS AND METHODS In this single-arm, multicenter phase II study, patients with RM-NPC received 3 mg/kg toripalimab once every 2 weeks via intravenous infusion until confirmed disease progression or unacceptable toxicity. The primary end point was objective response rate (ORR). The secondary end points included safety, duration of response (DOR), progression-free survival (PFS), and overall survival (OS). RESULTS Among all 190 patients, the ORR was 20.5% with median DOR 12.8 months, median PFS 1.9 months, and median OS 17.4 months. Among 92 patients who failed at least two lines of systemic chemotherapy, the ORR was 23.9%. The ORRs were 27.1% and 19.4% in PD-L1+ and PD-L1− patients, respectively ( P = .31). Patients with ≥ 50% decrease of plasma Epstein-Barr virus (EBV) DNA copy number on day 28 had significantly better ORR than those with 〈 50% decrease, 48.3% versus 5.7% ( P = .0001). Tumor mutational burden had a median value of 0.95 muts/mega-base in the cohort and had no predictive value for response. Whole-exome sequencing results from 174 patients revealed that the patients with genomic amplification in 11q13 region or ETV6 genomic alterations had poor responses to toripalimab. CONCLUSION The POLARIS-02 study demonstrated a manageable safety profile and durable clinical response of toripalimab in patients with chemorefractory metastatic NPC. An early decrease in plasma EBV DNA copy number correlated with favorable response.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.20.02712
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
    detail.hit.zdb_id: 2005181-5
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  • 9
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    Tumor mutational burden identifies chemorefractory gastric cancer with overall survival advantage after receiving toripalimab, a PD-1 antibody.
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 15_suppl ( 2019-05-20), p. 4021-4021
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. 4021-4021
    Abstract: 4021 Background: Tumor mutational burden (TMB) is correlated with enhanced objective response rate (ORR) and progression-free survival for certain cancers receiving immunotherapy. This study aimed to investigate the safety and activity of toripalimab, a humanized PD-1 antibody, in advanced gastric cancer (AGC), and the efficacy predictive value of biomarkers including TMB and PD-L1. Methods: This study was a part of phase Ib/II trial evaluating the safety and activity of toripalimab as a single agent therapy or in combination with chemotherapy in chemo-refractory or treatment-naïve AGC, esophageal squamous cell carcinoma, nasopharyngeal carcinoma and head and neck squamous cell carcinoma. This report focused on the chemo-refractory AGC cohort receiving toripalimab (3 mg/Kg d1, Q2W) as a single agent therapy. Primary endpoint was ORR. Biomarkers including tumor PD-L1 expression, TMB, microsatellite instability (MSI) and Epstein-Barr virus (EBV) infection status were evaluated for their correlation with clinical efficacy as preplanned. Tumor PD-L1 expression was assessed with the SP142 immunohistochemistry assay, and the other biomarkers were assessed with whole exome sequencing based on tumor samples. Results: There were 58 subjects included in this cohort. The ORR was 12.1% and the disease control rate was 39.7%. Only 1 subject was MSI-H and achieved partial response. One out of 4 EBV positive subjects achieved partial response. Significant higher ORR was observed in subjects with positive PD-L1 expression (ORR 37.5%, 3/8) or TMB ≥12 Mutations/Mb (ORR 33.3%, 4/8) than those with negative PD-L1 expression (ORR 8.5%) or TMB 〈 12 Mutations/Mb (ORR 7.0%). The TMB-high subgroup showed significant superior OS than the TMB-low subgroup (HR = 0.48 [96% CI 0.24 to 0.96], p = 0.038), while PD-L1 expression status failed to differentiate OS. Conclusions: Toripalimab demonstrated promising anti-tumor activity in chemo-refractory AGC patients. TMB might serve as a better predictive marker for OS than PD-L1 expression for chemo-refractory AGC patients receiving PD-1 blockade immunotherapy. Clinical trial information: NCT02915432.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2019.37.15_suppl.4021
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 10
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    Kinetic analysis of diffusion combustion of low calorific value gas under the action of thermal dynamics
    Elsevier BV ; 2021
    In:  Fuel Vol. 287 ( 2021-03), p. 119435-
    Details
    In: Fuel, Elsevier BV, Vol. 287 ( 2021-03), p. 119435-
    Type of Medium: Online Resource
    ISSN: 0016-2361
    URL: Article
    DOI: 10.1016/j.fuel.2020.119435
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2021
    detail.hit.zdb_id: 1483656-7
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