Mostrando 1,561 - 1,580 Resultados de 128,141 Para Buscar '"Epidemiology"', tiempo de consulta: 0.52s Limitar resultados
  1. 1561
    por Greenland, S
    Publicado 1994
    “…Many epidemiologic investigations are designed to study the effects of multiple exposures. …”
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  2. 1562
    por Hemminki, K, Pershagen, G
    Publicado 1994
    “…Epidemiological studies on the effect of urban air pollution on lung cancer were surveyed. …”
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  3. 1563
    por Butler, W J, Kalasinski, L A
    Publicado 1989
    “…In this paper, a generalized logistic regression model for correlated observations is used to analyze epidemiologic data on the frequency of spontaneous abortion among a group of women office workers. …”
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  4. 1564
  5. 1565
    por Prentice, R L
    Publicado 1985
    “…They can also be viewed as a regression generalization of more classical epidemiologic procedures, such as that due to Mantel and Haenszel. …”
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  6. 1566
    por Waxweiler, R J
    Publicado 1981
    “…Some examples of epidemiologic investigations of this problem are given, and a matrix method used to evaluate the contribution of nineteen chemicals to the risk of liver angiosarcoma in vinyl chloride workers is discussed.…”
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  7. 1567
  8. 1568
  9. 1569
  10. 1570
  11. 1571
  12. 1572
    “…BACKGROUND: Epidemiological studies may be subject to selective reporting, but empirical evidence thereof is limited. …”
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  13. 1573
    “…Drawing on experience gained from ongoing research in Mali, this paper describes practical ethical challenges relating to the achievement of valid consent in genomic epidemiology.…”
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  14. 1574
    “…METHODS AND FINDINGS: To address this challenge, we introduce a class of epidemiological network models that monitor the relationships among different health-care data streams instead of monitoring the data streams themselves. …”
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  15. 1575
  16. 1576
  17. 1577
  18. 1578
  19. 1579
  20. 1580
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