title: Double-blind study of lecithin in the treatment of persistent tardive dyskinesia.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004409:Dyskinesia, Drug-Induced / Q000188:drug therapy* / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D018377:Neurotransmitter Agents / Q000378:metabolism; D010713:Phosphatidylcholines / Q000627:therapeutic use*; D011897:Random Allocation
chemical_list: D018377:Neurotransmitter Agents; D010713:Phosphatidylcholines