1. Tumors of the skin and subcutaneous tissues;Theilen,1979
2. Epidemiology of canine and feline tumors;Dorn;J Am Anim Hosp Assoc,1976
3. The etiology of canine and feline tumors;Hardy;J Am Anim Hosp Assoc,1976
4. Etiology of cancer in animals;Madewell,1979
5. Liposarcoma associated with a glass foreign body in a dog;McCarthy;J Am Vet Med Assoc,1996