[A comparative assessment of ultrasonic cardiography and electrokymography in stenosis of the left venous orifice].
D004571:Electrokymography; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D014465:Ultrasonics
Sravnitel'naia otsenka ul'trazvukovoĭ kardiografii i élektrokimografii pri suzhenii levogo venoznogo otverstiia.