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  • Articles  (2)
  • Epidemiology  (1)
  • Immunological assay on a centrifugal fast analyser  (1)
  • 1985-1989  (1)
  • 1980-1984  (1)
Document type
  • Articles  (2)
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  • 1985-1989  (1)
  • 1980-1984  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 55 (1984), S. 87-96 
    ISSN: 1432-1246
    Keywords: Lead exposure ; ALA.D ; Immunological assay on a centrifugal fast analyser
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The δ-aminolevulinate dehydratase (ALA.D) quantitative assay on a centrifugal fast analyser showed that subjects whose blood-lead level varies between 30 and 75 μtg/100 ml (1.5 to 3.75 μM/l) react to blood intoxication by synthesizing de novo an amount of enzyme correlating to blood-lead levels. At higher concentrations, the reactional synthesis occurs very rarely. These results suggest that enzyme is constitutive, but also inductible as soon as its substrate accumulates; this last ability may disappear at high blood-lead levels: a hypothesis is proposed thereafter.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of epidemiology 1 (1985), S. 42-47 
    ISSN: 1573-7284
    Keywords: Creutzfeldt-Jakob disease ; Epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A histopathologically-verified, clinically typical case of Creutzfeldt-Jakob disease (CJD) is described in a 19 year-old girl. Only 3 previous cases of CJD have been reported in adolescents, and one of these was iatrogenically transmitted, while another was familial. Epidemiologic investigation of the present case excluded a familial component, and provided no evidence for iatrogenic or natural case-to-case transmission, or of other environmental sources of viral contamination. Young patients such as this one serve to emphasize the obscurity that still sourrounds the epidemiology of CJD, and invite serious reconsideration of the possibilities of transmission by undetected virus carriers, or of the agent as a natural resident of human cells, replication of which might be triggered by non-infective (e.g., traumatic or mutational) environmental events.
    Type of Medium: Electronic Resource
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