title: Oxygen tension and the response of the ductus arteriosus to prostaglandins E1 and E2.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004373:Ductus Arteriosus / Q000187:drug effects*; D010100:Oxygen; D010313:Partial Pressure; D011458:Prostaglandins E / Q000008:administration & dosage / Q000494:pharmacology*; D012756:Sheep
chemical_list: D011458:Prostaglandins E; D010100:Oxygen