title: [Frequency of ECG changes in men aged 40-59 and the evaluation of the significance of these changes according to the results of submaximal exercise test].
mesh_terms: D000328:Adult; D000367:Age Factors; D003327:Coronary Disease / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005080:Exercise Test; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D012737:Sex Factors
vernacular_title: Chastota izmeneniĭ EKG v populiatsii muzhchin 40-59 let i otsenka znachimosti étikh izmeneniĭ po rezul'tatam submaksimal'noĭ fizicheskoĭ nagruzki.