1. Reproductive oncology;McEntee;Clin Tech Small Anim Pract,2002
2. Granulosa cell tumour in two speyed bitches;Sivacolundhu;Aust Vet J,2001
3. Canine ovarian neoplasms: a clinicopathologic study of 71 cases, including histology of 12 granulosa cell tumors;Patnaik;Vet Pathol,1987
4. Withrow and MacEwen's small animal clinical oncology – E-book;Vail,2020
5. Causes of infertility in bitch;Zubair;Adv Anim Vet Sci,2014