title: In vitro evidence for the participation of intestinal opioids in the control of peristalsis in the guinea pig small intestine.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000502:physiology*; D005260:Female; D005769:Gastrointestinal Motility / Q000187:drug effects*; D006168:Guinea Pigs; D007421:Intestine, Small / Q000187:drug effects / Q000502:physiology*; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D010528:Peristalsis / Q000187:drug effects*; D011247:Pregnancy; D011312:Pressure; D013997:Time Factors
chemical_list: D004723:Endorphins; D009270:Naloxone