title: Classic pages in obstetrics and gynecology. A radiographic demonstration of the circulation through the heart in the adult and in the foetus, and the identification of the ductus arteriosus. Alfred Ernest Barclay, Sir Joseph Barcroft, Donald Henry Barron, and Kenneth James Franklin. The British Journal of Radiology, vol. 12, pp. 505-518, 1939.
mesh_terms: D001775:Blood Circulation; D004373:Ductus Arteriosus / Q000000981:diagnostic imaging; D005260:Female; D005333:Fetus / Q000098:blood supply; D049673:History, 20th Century; D006801:Humans; D009774:Obstetrics / Q000266:history; D010827:Physiology / Q000266:history; D011247:Pregnancy; D011859:Radiography; D006113:United Kingdom