title: The effect of insulin load on plasma tryptophan levels in schizophrenic patients.
mesh_terms: D003864:Depression, Chemical; D006801:Humans; D007328:Insulin / Q000494:pharmacology*; D012559:Schizophrenia / Q000097:blood*; D014364:Tryptophan / Q000097:blood*
chemical_list: D007328:Insulin; D014364:Tryptophan