title: Involvement of enkephalins and other endogenous opioids in the regulation of esophageal motility.
mesh_terms: D000328:Adult; D004311:Double-Blind Method; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000502:physiology*; D004943:Esophagogastric Junction / Q000187:drug effects / Q000294:innervation; D004947:Esophagus / Q000187:drug effects / Q000502:physiology* / Q000648:ultrastructure; D005769:Gastrointestinal Motility / Q000187:drug effects*; D006801:Humans; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D011957:Receptors, Opioid / Q000187:drug effects / Q000502:physiology
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid; D009270:Naloxone