Epidemiologic health survey of grain elevator workers in British Columbia.
D000328:Adult; D000382:Agricultural Workers' Diseases / Q000453:epidemiology; D001955:British Columbia; D006306:Health Surveys; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis / Q000453:epidemiology*; D008297:Male; D009784:Occupational Diseases / Q000453:epidemiology*; D012129:Respiratory Function Tests; D012130:Respiratory Hypersensitivity / Q000453:epidemiology; D012907:Smoking / Q000150:complications