Treatment of mental disorders.
D000818:Animals; D000928:Antidepressive Agents; D001923:Brain Chemistry / Q000187:drug effects*; D002794:Choline / Q000494:pharmacology; D051381:Rats; D014364:Tryptophan / Q000494:pharmacology*
D000928:Antidepressive Agents; D014364:Tryptophan; D002794:Choline