title: [Importance of electrocardiographic study in the early detection of ischemic heart disease].
mesh_terms: D000328:Adult; D000367:Age Factors; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D013997:Time Factors
vernacular_title: Znachenie élektrokardiograficheskogo issledovaniia v rannem vyiavlenii ishemicheskoĭ bolezni serdtsa.