1. Histologia veterinária aplicada;Banks WJ,1992
2. Pet population control: another decade without control;Carter CN;J Am Vet Med Assoc,1990
3. Reprodução no cão e gato;Christiansen IJ,1988
4. Canine and feline surgery;Knecht CD,1984
5. Ovarian autograft as an alternative to ovariectomy in female dogs;Le Roux PH;J Am Anim Hosp Assoc,1978