1. Manifestations and aetiology of hypertension in the Coloured and Bantu;Fraser, B.N.;Br Med J,1959
2. A review of the incidence of hypertension in the non-European races;Ordman, B.;Clinical Proceedings,1948
3. The racial incidence of heart disease at Groote Schuur Hospital, Cape Town. Part II Hypertension and valvular disease of the heart;Schrire, V.;Am Heart J,1958
4. The clinical pattern of hypertension in the South African black population: a study of 1000 patients;Seedat, Y.K.; Reddy, J.;Afr J Med Med Sci,1976
5. Medicine and society in South Africa-some plain thinking;Seftel, H.C.,1973