[Preliminary results of an electrocardiographic study of healthy 50-year-old subjects].
D001145:Arrhythmias, Cardiac / Q000453:epidemiology*; D003327:Coronary Disease / Q000453:epidemiology*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000502:physiology*; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged / Q000502:physiology*
Primi risultati sulla indagine elettrocardiografica in soggetti cinquantenni sani.