title: Observations on the fate of oral 4-hydroxytryptophan in man.
mesh_terms: D006916:5-Hydroxytryptophan; D006801:Humans; D008297:Male; D014364:Tryptophan / Q000031:analogs & derivatives
chemical_list: D014364:Tryptophan; D006916:5-Hydroxytryptophan
keywords: TRYPTOPHAN/related compounds