Equine squamous-cell carcinoma in northern Nigeria.
D000818:Animals; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology / Q000662:veterinary*; D005153:Facial Neoplasms / Q000453:epidemiology / Q000662:veterinary; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D008297:Male; D009549:Nigeria; D010412:Penile Neoplasms / Q000453:epidemiology / Q000662:veterinary; D012878:Skin Neoplasms / Q000453:epidemiology / Q000662:veterinary