BRINK, A J The normal electrocardiogram in the adult South African Bantu. [electronic resource] - South African journal of laboratory and clinical medicine. Suid-Afrikaanse tydskrif vir laboratorium- en kliniekwerk Jun 1956 - 97-123 p. digital Publication Type: Journal Article ISSN: 0038-2299 Subjects--Topical Terms: Black PeopleElectrocardiographyHumans