title: EEG and clinical profile of a synthetic analogue of methionine-enkephalin - FK 33-824.
mesh_terms: D000328:Adult; D001519:Behavior / Q000187:drug effects; D002986:Clinical Trials as Topic; D003863:Depression / Q000188:drug therapy; D004311:Double-Blind Method; D004569:Electroencephalography; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012559:Schizophrenia / Q000188:drug therapy
chemical_list: D004723:Endorphins; D004745:Enkephalins; D010919:Placebos