title: The effect of tricyclic medication on total plasma tryptophan.
mesh_terms: D000929:Antidepressive Agents, Tricyclic / Q000494:pharmacology* / Q000627:therapeutic use; D003866:Depressive Disorder / Q000097:blood / Q000188:drug therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014364:Tryptophan / Q000097:blood*
chemical_list: D000929:Antidepressive Agents, Tricyclic; D014364:Tryptophan