title: [Prognostic significance of electrocardiographic changes in prospective study of coronary heart disease].
mesh_terms: D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011446:Prospective Studies
vernacular_title: Prognosticheskoe znachenie elektrokardiograficheskikh izmeneniĭ pri prospektivnom izuchenii koronarnoĭ bolezni serdtsa