
The chemical composition of 256 urinary calculi on the Witwatersrand has been determined in 3 population groups. 'Calcium stones' comprised 53,1% of the total and most of the remainder were triple phosphate. The distribution of these stones in the different population groups was similar. Urinary calculi are rare in the Bantu.S. Afr. Med. J., 47, 128 (1973)
Black or African American, South Africa, Ethnicity, Black People, Humans, Calcium, Urinary Calculi, Phosphates
Black or African American, South Africa, Ethnicity, Black People, Humans, Calcium, Urinary Calculi, Phosphates
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