(Health and Medical Publishing Group (HMPG), 1985-10) Morrison, G.; Cronje, A. S.; Van Vuuren, I.; Op't Hof, J.
The incidence of cleft lip and palate in the Western Cape was studied using data from two cleft palate centres and from all plastic surgeons in practice in the area. A high incidence was found among coloureds, while the incidences among whites and blacks were similar to figures reported from other countries.