Some principles in the conduct of public health surveys.
D056486:Chemical and Drug Induced Liver Injury; D004812:Epidemiologic Methods; D006221:Halothane / Q000009:adverse effects; D006306:Health Surveys; D006801:Humans; D011159:Population Surveillance; D011634:Public Health; D012559:Schizophrenia; D012937:Social Mobility; D013312:Stress, Physiological; D014171:Transients and Migrants
D006221:Halothane