title: First admissions to a psychiatric hospital in Singapore--a prospective study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003430:Cross-Sectional Studies; D005260:Female; D006760:Hospitalization; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology* / Q000628:therapy; D008875:Middle Aged; D012846:Singapore