title: Use of haloperidol in a "hard-core" chronic schizophrenic population.
mesh_terms: D000293:Adolescent; D000328:Adult; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D005260:Female; D006220:Haloperidol / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012559:Schizophrenia / Q000188:drug therapy*
chemical_list: D010919:Placebos; D006220:Haloperidol