[Observations on atrio-ventricular conduction. Clinical significance of the length of the PQ segment].
D000328:Adult; D003327:Coronary Disease / Q000175:diagnosis; D004562:Electrocardiography; D006329:Heart Conduction System; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged
Osservazioni sulla conduzione atrio-ventricolare. Significato clinico della durata del segmento PQ.