title: The ductus arteriosus and its closure.
authors.forename: M
authors.initials: M
authors.lastname: Tynan
mesh_terms: D006328:Cardiac Catheterization / Q000191:economics; D004373:Ductus Arteriosus / Q000196:embryology / Q000502:physiology*; D004374:Ductus Arteriosus, Patent / Q000628:therapy; D005333:Fetus / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000628:therapy; D019736:Prostheses and Implants / Q000191:economics