[On the problem of the use of polycardiography in assessing the contractile capacity of the myocardium in patients with circulatory insufficiency].
D000328:Adult; D000368:Aged; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged
K voprosu ob isol'zovanii polikardiografii v otsenke sokratitel'noĭ sposobnosti miokarda u bol'nykh s nedostatochnost'iu krovoobrashcheniia.