New standards for electrocardiograms of adult males without evidence of cardiac hypertrophy Author: Van Lingen B, Palmhert R. Source: S Afr Med J. 1974; 48 no 33:1413-1420. Babalwa Jekwa2019-04-11T00:35:20+02:00Dec 31st, 1974| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail