title: The pattern and mechanisms of response to oxygen by the ductus arteriosus and umbilical artery.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology / Q000502:physiology*; D000110:Acetylcholinesterase / Q000494:pharmacology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001920:Bradykinin / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D004347:Drug Interactions; D004373:Ductus Arteriosus / Q000187:drug effects*; D004491:Edrophonium / Q000494:pharmacology; D005333:Fetus; D005865:Gestational Age; D066298:In Vitro Techniques; D010100:Oxygen / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D012756:Sheep / Q000196:embryology; D014469:Umbilical Arteries / Q000187:drug effects*
chemical_list: D004491:Edrophonium; D001285:Atropine; D011433:Propranolol; D000110:Acetylcholinesterase; D000109:Acetylcholine; D010100:Oxygen; D001920:Bradykinin; D010646:Phentolamine