RODENT ULCER (BASAL-CELL EPITHELIOMA) IN THE TRANSVAAL. WITH ECOLOGICAL OBSERVATIONS IN THE PRETORIA AREA.
D002280:Basal Cell Carcinoma; D002980:Climate; D004463:Ecology; D006801:Humans; D008545:Melanoma; D009026:Mortality; D009369:Neoplasms / Q000453:epidemiology*; D012878:Skin Neoplasms; D013019:South Africa; D013472:Sunlight; D044465:White People
CARCINOMA, BASAL CELL; CAUCASIAN RACE; CLIMATE; ECOLOGY; MELANOMA; MORTALITY; NEOPLASM STATISTICS; SKIN NEOPLASMS; SOUTH AFRICA; SUNLIGHT