title: A study of the postextrasystolic T wave changes associated with interpolated premature ventricular beats.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008875:Middle Aged