title: Metabolism of an oral tryptophan load III: effect of a pyridoxine supplement.
mesh_terms: D000284:Administration, Oral; D006801:Humans; D011736:Pyridoxine / Q000494:pharmacology*; D014364:Tryptophan / Q000008:administration & dosage / Q000378:metabolism*
chemical_list: D014364:Tryptophan; D011736:Pyridoxine