title: Effects of gastrointestinal hormones on the opossum biliary sphincter.
mesh_terms: D000818:Animals; D001652:Bile Ducts / Q000378:metabolism* / Q000502:physiology; D004594:Electrophysiology; D005768:Gastrointestinal Hormones / Q000502:physiology*; D009119:Muscle Contraction; D009893:Opossums
chemical_list: D005768:Gastrointestinal Hormones