Hypertension in urban black outpatients: who gets treated and for how long? Authors: Kitai IC, Irwig LM. Source: S Afr Med J. 1979; 55:241-244. Babalwa Jekwa2019-04-08T10:43:40+02:00Dec 31st, 1979| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail