title: [Incidence and significance of ventricular extrasystoles in normal subjects].
mesh_terms: D000328:Adult; D001519:Behavior; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D003327:Coronary Disease / Q000175:diagnosis / Q000523:psychology; D004562:Electrocardiography / Q000379:methods*; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D010809:Physical Fitness; D011379:Prognosis; D012306:Risk
vernacular_title: Onderzoek over de frequentie en betekenis van ventrikelextrasystolen bij normale personen.