[The technique of auscultation and phonocardiography of the open heart during mitral commissurotomy].
D006801:Humans; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000601:surgery*; D010701:Phonocardiography / Q000295:instrumentation
Metodika auskul'tatsii i fonokardiografii otkrytogo serdtsa vo vremia operatsii mitral'noĭ komissurotomii.