Psychiatric epidemiology.
D000437:Alcoholism / Q000453:epidemiology; D004812:Epidemiologic Methods; D004813:Epidemiology; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology*; D009497:Neurotic Disorders / Q000453:epidemiology; D011618:Psychotic Disorders / Q000453:epidemiology