[On the effect of 5-hydroxytryptophan on the human gastrointestinal tract].
D006916:5-Hydroxytryptophan; D041981:Gastrointestinal Tract / Q000494:pharmacology*; D014364:Tryptophan / Q000031:analogs & derivatives
D014364:Tryptophan; D006916:5-Hydroxytryptophan
GASTROINTESTINAL SYSTEM/pharmacology; TRYPTOPHAN/related compounds