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E05 Investigative Techniques D008919 +
E05.318 Epidemiologic Methods D004812 +
E05.318.780 Epidemiologic Research Design D015340 +
E05.318.780.300 Double-Blind Method D004311
E05.318.780.700 Random Allocation D011897
E05.318.780.800 Sensitivity and Specificity D012680
E05.318.780.500 Meta-Analysis D015201
E05.318.780.725 Reproducibility of Results D015203
E05.318.780.850 Single-Blind Method D016037
E05.318.780.485 Matched-Pair Analysis D016555
E05.318.780.762 Sample Size D018401
E05.318.780.150 Cross-Over Studies D018592
E05.318.780.074 Control Groups D035061
G03 Environment and Public Health D004778 +
G03.850 Public Health D011634 +
G03.850.520 Epidemiologic Methods D004812 +
G03.850.520.445 Epidemiologic Research Design D015340 +
G03.850.520.445.300 Double-Blind Method D004311
G03.850.520.445.700 Random Allocation D011897
G03.850.520.445.800 Sensitivity and Specificity D012680
G03.850.520.445.500 Meta-Analysis D015201
G03.850.520.445.725 Reproducibility of Results D015203
G03.850.520.445.850 Single-Blind Method D016037
G03.850.520.445.485 Matched-Pair Analysis D016555
G03.850.520.445.762 Sample Size D018401
G03.850.520.445.150 Cross-Over Studies D018592
N05 Health Care Quality, Access, and Evaluation D017530 +
N05.715 Quality of Health Care D011787 +
N05.715.360 Health Care Evaluation Mechanisms D017531 +
N05.715.360.780 Epidemiologic Research Design D015340 +
N05.715.360.780.320 Double-Blind Method D004311
N05.715.360.780.675 Random Allocation D011897
N05.715.360.780.700 Sensitivity and Specificity D012680
N05.715.360.780.515 Meta-Analysis D015201
N05.715.360.780.685 Reproducibility of Results D015203
N05.715.360.780.730 Single-Blind Method D016037
N05.715.360.780.500 Matched-Pair Analysis D016555
N05.715.360.780.692 Sample Size D018401
N05.715.360.780.150 Cross-Over Studies D018592
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