[Electrocardiographic characteristics in mitral valve defects recorded at high altitude].
D000531:Altitude; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D007707:Kyrgyzstan; D008946:Mitral Valve Stenosis / Q000503:physiopathology*
Elektrokardiograficheskie osobennosti pri mitral'nykh porokakh serdtsa na vysote