Occupational case-control studies.
Checkoway
H
H
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle 98195.
Demers
P A
PA
D016022:Case-Control Studies; D008040:Genetic Linkage; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology*; D016273:Occupational Exposure / Q000009:adverse effects; D012042:Registries; D012107:Research Design