title: L-tryptophan as an antidepressant.
mesh_terms: D000818:Animals; D000928:Antidepressive Agents / Q000494:pharmacology*; D001923:Brain Chemistry; D008297:Male; D011736:Pyridoxine / Q000494:pharmacology; D051381:Rats; D012701:Serotonin / Q000032:analysis; D014364:Tryptophan / Q000009:adverse effects / Q000037:antagonists & inhibitors / Q000096:biosynthesis / Q000494:pharmacology*
chemical_list: D000928:Antidepressive Agents; D012701:Serotonin; D014364:Tryptophan; D011736:Pyridoxine