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  • 1
    Online Resource
    Online Resource
    New York, NY :Springer,
    Keywords: Space stations -- History. ; Electronic books.
    Description / Table of Contents: This book charts the history of manned space stations in a logical, chronological order. It is the first book of its kind to tell the whole story of the manned space stations from the USA and Russia from the very beginning to the ISS story and the possibilities beyond.
    Type of Medium: Online Resource
    Pages: 1 online resource (182 pages)
    Edition: 1st ed.
    ISBN: 9780387684888
    Series Statement: Springer Praxis Bks.
    DDC: 629.442
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of prosthodontics 2 (1993), S. 0 
    ISSN: 1532-849X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Awareness of the need to incorporate an effective infection control program within a prosthodontic practice requires the faculty of a prosthodontic residency program to present a clear and workable model that will allow the flexibility necessary to accommodate the changes in infection control procedures and materials. The use of the barrier system to insulate the operatory, resident, faculty, and dental laboratory is discussed. Current disinfection and sterilization methods used to maintain the barriers are recommended.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of prosthodontics 12 (2003), S. 0 
    ISSN: 1532-849X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To quantify accurately in utero fetal liver, brain and placental volumes using echo planar imaging, and to assess whether the technique has the potential to enhance intrauterine fetal assessment.Design Thirty-two singleton, complicated pregnancies were scanned using echo planar imaging, a form of magnetic resonance imaging. Pregnancies were subdivided on the basis of whether the fetus was found subsequently to have an individualised birthweight ratio above (n= 21) or below (n= 11) the 10th centile. Comparisons of the organ volumes of these two groups were made.Results The first quantitative in utero measurement of fetal liver volume showed a linear relation between liver volume and gestational age in fetuses where the individualised birthweight ratio was above the 10th centile (the normal growth group). Ten of the 11 liver volume measurements of fetuses subsequently found to have an individualised birthweight ratio below the 10th centile fell on or outside the 95% confidence limits established for the normal growth group. In contrast, no such differences were demonstrated when the brain and placental volumes were considered, with 10 of the 11 brain measurements and all of the 11 placental measurements falling within the 95% confidence limits of the normal growth group.Conclusions A single measurement of fetal liver volume using echo planar imaging enabled accurate identification of fetuses subsequently found to have individualised birthweight ratios below the 10th centile. If these findings are repeated in larger, more representative studies, this suggests that the technique has the potential to contribute to intrauterine fetal assessment.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 102 (1995), S. 0 
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK and Malden, USA : Blackwell Science Ltd
    BJOG 111 (2004), S. 0 
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objectives (1) To investigate a possible association between myometrial and placental artery vasoreactivity and perfusion at the basal and chorionic plates, respectively. (2) To confirm that myometrial arteries from women with pre-eclampsia and intrauterine growth restriction exhibit an attenuated endothelium-dependent vasodilatory response.Methods Women with normal pregnancy, pre-eclampsia and intrauterine growth restriction had a magnetic resonance scan to assess placental perfusion using a technique called intravoxel incoherent motion. At delivery, myometrial and chorionic plate placental arteries were assessed on a wire myograph. Vessels were pre-constricted with the thromboxane mimetic U46619 and dilated with incremental doses of bradykinin.Results Pre-constricted myometrial arteries from women with pre-eclampsia or intrauterine growth restriction exhibited an attenuated vasodilatory response to bradykinin, compared with normal pregnancy (P 〈 0.0001). Pre-constricted placental arteries exhibited a minimal vasodilatory response in all three groups of women (P = 0.10). Maximal constrictor and vasodilatory responses of myometrial arteries were not associated with the perfusing fraction at the basal plate. Maximal constrictor and vasodilatory responses of chorionic plate placental arteries were not associated with the perfusing fraction at the chorionic plate.Conclusion We confirm that myometrial arteries from women with pre-eclampsia or intrauterine growth restriction exhibit an attenuated endothelium-dependent vasodilatory response. Apart from vasoreactivity of small arteries, other factors may be involved in the control of placental perfusion.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This study assesses the ability of plasma from women with pre-eclampsia to induce altered endothelial function in myometrial resistance vessels from normotensive women. Vessels from normotensive pregnant women (n= 7) were incubated with plasma from other pregnant women who were normotensive (n= 6)or had pre-eclampsia (n= 7). A wire myograph was used to test the endothelium-dependent relaxatory response to bradykinin of preconstricted vessels. The relaxation in vessels incubated with plasma from women with pre-eclampsia was markedly less than in vessels incubated with plasma from normotensive pregnant women (P = 0.039). This supports the theory that a plasma-borne factor contributes to the endothelial changes seen in pre-eclampsia.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To measure endothelium-dependent relaxation in myometrial resistance arteries and to compare this parameter in nonpregnant and normotensive pregnant women and those with pregnancies complicated by pre-eclampsia.Design A prospective study.Setting Nottingham City Hospital.Sample Thirty-seven nonpregnant women undergoing hysterectomy and 51 pregnant women undergoing caesarean section, of whom there were 39 normotensive and 12 with pre-eclampsia.Methods Resistance arteries, dissected from myometrial biopsies, were mounted on a wire myograph and preconstricted with vasopressin then subjected to incremental doses of bradykinin.Results Endothelium-dependent relaxation to bradykinin was seen in the vessels of nonpregnant and normotensive pregnant women. Markedly reduced endothelium-dependent relaxation was found in the myometrial arteries from women with pre-eclampsia when compared with both nonpregnant (P 〈 O.000l) and normotensive pregnant (P 〈 0.0001) women.Conclusion A significant loss of endothelium-dependent relaxation in myometrial resistance arteries in pre-eclampsia may contribute to the altered vasoreactivity seen in pre-eclampsia, and particularly to the decreased placental perfusion and fetal growth retardation commonly associated with this condition.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 98 (1991), S. 0 
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Specific binding of angiotensin II (AII) to platelets was measured in 89 women, 25 nulliparous non-pregnant women and 64 primigravida in the third trimester of pregnancy. There was significantly lower binding in the 25 pregnant women who were normotensive (2.3 fmol/109 cells) when compared with the non-pregnant women (9.0 fmol/109 cells P〈0.001). Significantly higher platelet AII binding levels were found in the 39 women who had pregnancy induced hypertension (PIH) (5.5 fmol/109 cells) when compared with the 25 normotensive pregnant women (P〈0.001). Of the 39 women with PIH, platelet AII binding was higher in the 23 women who had pre-eclampsia (7.0 fmol/109 cells), when compared with the 16 who had non-proteinuric PIH, (4.6 fmol/109 cells) although the difference was not statistically significant (P〈0.04). The pressor response to AII is also diminished in pregnancy, yet less so if pregnancy induced hypertension develops. Platelets may provide a readily accessible tissue with which to study AII responsiveness in pregnancy.
    Type of Medium: Electronic Resource
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