title: [Bioelectrical activity of the heart in chronic pneumonia].
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000503:physiopathology*; D014672:Vectorcardiography
vernacular_title: Bioelektricheskaia aktivnost' serdtsa u bol'nykh khronicheskoĭ pnevmonieĭ.