OBSERVATIONS ON THE PULMONARY VASCULAR RESISTANCE FOLLOWING SURGICAL CLOSURE OF HIGH RESISTANCE PATENT DUCTUS ARTERIOSUS.
D004373:Ductus Arteriosus; D004374:Ductus Arteriosus, Patent; D006801:Humans; D011652:Pulmonary Circulation; D013514:Surgical Procedures, Operative; D014655:Vascular Resistance
DUCTUS ARTERIOSUS; PULMONARY CIRCULATION; SURGERY, OPERATIVE