Mostrando 21 - 40 Resultados de 1,534 Para Buscar '"Control Data"', tiempo de consulta: 0.69s Limitar resultados
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    por Hamada, C, Wada, T, Sakamoto, Y
    Publicado 1994
    “…A statistical characterization of negative control data in the Ames Salmonella/microsome reverse mutation test was performed using data obtained at Takeda Analytical Research Laboratories during January 1989 to April 1990. …”
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  3. 23
    por Buckley, T. J., Rukkers, J. M.
    Publicado 1988
    “…Tasks for data acquisition, instrument control, data storage, calculations, data display, and run-time-parameter entry are activated or deactivated during the experiment by the operator. …”
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    “…BACKGROUND: This paper introduces a new approach for evaluating clustering in case-control data that accounts for residential histories. …”
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    “…These data were compared to the previous historical control data (from 1990 to 2004, previously reported) in the same facility. …”
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    “…Conditional logistic regression has become a standard for matched case–control data to tackle the sparse data problem. The sparse data problem, however, may not be a concern for loose-matching data when the matching between cases and controls is not unique, and one case can be matched to other controls without substantially changing the association. …”
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    “…It is critical to distinguish between treatment-related effects and background ‘normal variability’ when interpreting results. Historical control data (HCD) can be a valuable tool in contextualising results from single studies against previous studies performed under similar conditions. …”
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    “…Because these methods condition on parental genotype, however, they have precluded the joint analysis of family and case-control data, although methods for case-control data may not protect against population stratification and do not allow for familial correlations. …”
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    “…This equivalence does not hold for the proportional odds model and using it to analyze the case-control data directly often results in a substantial bias. …”
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    “…We applied the tests to the Genetic Analysis Workshop 19 data set using the combined family and case–control data for hypertension. The analysis identified several candidate genes for hypertension.…”
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