title: Carciac surgery at the San Juan City Hospital 1967-1974: a critical assessment.
mesh_terms: D006348:Cardiac Surgical Procedures / Q000592:standards*; D006330:Heart Defects, Congenital / Q000601:surgery; D006331:Heart Diseases / Q000601:surgery; D006801:Humans; D011647:Puerto Rico; D012189:Retrospective Studies