Walker A R, Walker B F, Duvenhage A, Jones J, Ncongwane J, Segal I
Trop Geogr Med. 1981 Dec;33(4):383-6.
Tonsillectomy prevalences, using questionnaires, were determined on series of school pupils (total number 10,271), aged 16-18 years, in four South African ethnic groups. Prevalence were, approximately: rural Blacks 2%, urban Blacks 3%, Indians 8%, Coloureds (Eur-African-Malay) 9% and Whites 44%. The inter-ethnic profile of differences is similar to the inter-ethnic profiles of other differences (e.g. in appendicectomy prevalences).
