DMOGRAP OF TUMORS OF HE CENTRAL NERVOUS YSTEM AMONG THE  Btu (African) population of the Transvaal, South Afric.
D044383:Black People; D001932:Brain Neoplasms / Q000453:epidemiology*; D005910:Glioma / Q000453:epidemiology; D006801:Humans; D008579:Meningioma / Q000453:epidemiology; D009442:Neurilemmoma / Q000453:epidemiology; D009456:Neurofibromatosis 1 / Q000453:epidemiology; D013019:South Africa; D013120:Spinal Cord Neoplasms / Q000453:epidemiology*; D013548:Sweden; D044465:White People