title: Nicotinamide adenine dinucleotide in the treatment of chronic schizophrenic patients.
mesh_terms: D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006801:Humans; D009243:NAD / Q000627:therapeutic use*; D012559:Schizophrenia / Q000188:drug therapy*
chemical_list: D009243:NAD