title: Open-heart surgery at the Mayo Clinic. The 25th anniversary.
mesh_terms: D001325:Autobiographies as Topic; D006348:Cardiac Surgical Procedures / Q000266:history*; D002315:Cardiopulmonary Bypass / Q000266:history*; D049673:History, 20th Century; D006761:Hospitals / Q000266:history*; D008910:Minnesota