Basal-cell carcinoma: speculations on possible factors influencing its low incidence among the non-European races in South Africa.
D002280:Basal Cell Carcinoma / Q000453:epidemiology*; D006801:Humans; D015994:Incidence; D012878:Skin Neoplasms; D013019:South Africa
CARCINOMA, BASAL CELL/epidemiology