Drug use among physicians and medical students.
D000293:Adolescent; D000328:Adult; D000437:Alcoholism / Q000453:epidemiology; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D010820:Physicians; D012907:Smoking; D013337:Students, Medical; D019966:Substance-Related Disorders / Q000453:epidemiology*