title: High-dose haloperidol increases CSF opioid activity in patients with chronic schizophrenia.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D004723:Endorphins / Q000134:cerebrospinal fluid*; D005260:Female; D006220:Haloperidol / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D012559:Schizophrenia / Q000134:cerebrospinal fluid* / Q000188:drug therapy
chemical_list: D004723:Endorphins; D006220:Haloperidol