title: Tryptophan and affective disorders.
mesh_terms: D000342:Affective Symptoms / Q000188:drug therapy*; D004644:Emotions / Q000187:drug effects; D006801:Humans; D014364:Tryptophan / Q000134:cerebrospinal fluid / Q000494:pharmacology / Q000627:therapeutic use*
chemical_list: D014364:Tryptophan