Sarcoma Viruses, Avian
Avian Sarcoma Virus; Sarcoma Virus, Avian; Sarcoma Virus, Rous; Virus, Avian Sarcoma; Virus, Rous Sarcoma; Viruses, Avian Sarcoma
Group of alpharetroviruses (ALPHARETROVIRUS) producing sarcomata and other tumors in chickens and other fowl and also in pigeons, ducks, and RATS.