[Heart sound changes occurring directly after and at late periods following mitral commissurotomy].
D005500:Follow-Up Studies; D006326:Heart Auscultation; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*
Izmeneniia shumov serdtsa v blizhaĭshie i otdalennye sroki posle mitral'noĭ komissurotomii.