[On the apex cardiogram of healthy subjects and patients with mitral valve disease].
D000293:Adolescent; D000328:Adult; D004562:Electrocardiography; D006801:Humans; D007702:Kinetocardiography; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D010701:Phonocardiography
O verkhushechnoĭ kardiogramme zdorovykh liudeĭ i bol'nykh mitral'nym porokom serdtsa.