title: The chronic mental hospital population: a six-year follow-up study.
mesh_terms: D000368:Aged; D002908:Chronic Disease; D003156:Community Mental Health Services; D004739:England; D005260:Female; D006778:Hospitals, Psychiatric; D006801:Humans; D007902:Length of Stay; D008131:London; D008297:Male; D008875:Middle Aged; D014852:Wales