1. An epidemiological study of blood pressure levels in a biracial community in the southern United States;Comstock;Am J Hyg,1957
2. An epidemiologic study of hypertension among racial groups of Charleston County, South Carolina;Boyce,1967
3. Blood pressure and hypertensive disease among negroes and whites in Evans County, Georgia;McDonough,1967
4. Hypertension and hypertensive heart disease in adults. Vital and Health Statistics;Gordon,1966
5. Cardiovascular disease in the Bantu and colonial races of South Africa;Becker;S Afr J Med Sci,1946