title: Letter: nicotinamide treatment: an addendum.
mesh_terms: D004565:Electroconvulsive Therapy; D006801:Humans; D009536:Niacinamide / Q000627:therapeutic use*; D010919:Placebos; D012559:Schizophrenia / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D010919:Placebos; D009536:Niacinamide