The pattern of orbito-ocular tumours in northern Nigeria.
D002294:Carcinoma, Squamous Cell / Q000453:epidemiology; D005134:Eye Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000453:epidemiology; D008297:Male; D009549:Nigeria; D009918:Orbital Neoplasms / Q000453:epidemiology*; D012175:Retinoblastoma / Q000453:epidemiology