[On the electrocardiographic changes in the aged].
D000368:Aged; D001145:Arrhythmias, Cardiac; D003327:Coronary Disease; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases; D006801:Humans; D008297:Male; D008875:Middle Aged
Asupra medificărilor electrocardiografice la vîrstnici.