title: [Alfred Blalock and C. Walton Lillehei, key persons in cardiovascular surgery].
authors.forename: A P
authors.initials: AP
authors.lastname: Naef
mesh_terms: D006348:Cardiac Surgical Procedures / Q000266:history*; D005112:Extracorporeal Circulation / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D014481:United States