title: A preliminary study of a new dihydromorphanthridine derivative in chronic schizophrenia.
mesh_terms: D000328:Adult; D000928:Antidepressive Agents / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D012559:Schizophrenia / Q000188:drug therapy*
chemical_list: D000928:Antidepressive Agents