Transmission of equine sarcoid.
D000818:Animals; D006734:Horse Diseases / Q000209:etiology*; D006736:Horses; D009368:Neoplasm Transplantation / Q000662:veterinary*; D012878:Skin Neoplasms / Q000662:veterinary*; D014182:Transplantation, Autologous / Q000662:veterinary; D014184:Transplantation, Homologous / Q000662:veterinary