title: Comparative trial of L-tryptophan and E.C.T. in severe depressive illness.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D001714:Bipolar Disorder / Q000188:drug therapy / Q000628:therapy*; D004341:Drug Evaluation; D004565:Electroconvulsive Therapy; D005069:Evaluation Studies as Topic; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales; D012737:Sex Factors; D013997:Time Factors; D014364:Tryptophan / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D014364:Tryptophan