title: [Epidemiological evaluation of the risk of ischemic heart disease and hypertension in coal miners. IV. Electrocardiographic study].
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D003032:Coal Mining; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000175:diagnosis*; D011044:Poland; D012306:Risk
vernacular_title: Epidemiologiczna ocena zagrozenia choroba niedokrwienna serca i nadciśnieniem tetniczym u górników kopalń wegla kamiennego Cześć IV. Badanie elektrokardiograficzne.