title: [Change in the bioelectrical activity of the myocardium during graded exertion and production in patients in the early stages of silicosis (according to 4-channel dynamic radioelectrography)].
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005080:Exercise Test; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012829:Silicosis / Q000503:physiopathology*; D013997:Time Factors
vernacular_title: Izmenenie bioélektricheskoĭ aktivnosti miokarda pri vypolnenii dozirovannykh nagruzok i proizovodstvennoĭ raboty u bol'nykh rannimi stadiiami silikoza (po dannym chetyrekhkanal'noĭ dinamicheskoĭ radioélektrografii.