title: Effect of prostaglandin F 2   and gastrin pentapeptide on the lower esophageal sphincter.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004947:Esophagus / Q000187:drug effects*; D005260:Female; D005755:Gastrins / Q000008:administration & dosage / Q000494:pharmacology*; D007275:Injections, Intravenous; D008297:Male; D008365:Manometry; D009893:Opossums; D011453:Prostaglandins / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D005755:Gastrins; D011453:Prostaglandins