title: [ECG changes after extremely prolonged physical exertion].
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion
vernacular_title: Poznatky o EKG zmĕnách po extrémnĕ prolongované fyzické zátĕzi.