title: Mitral valve commissurotomy by John Alexander: repeat surgery 28 years later.
mesh_terms: D000328:Adult; D006348:Cardiac Surgical Procedures / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008722:Methods; D008943:Mitral Valve / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000266:history / Q000601:surgery; D012008:Recurrence; D013997:Time Factors