title: [An epidemiologic investigation of psychoses in two communes of Yexian County].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D011618:Psychotic Disorders / Q000453:epidemiology*