PEKER, C., E.H. UÇAR, O. VAROĞLU, и G. ERDOĞAN. 2020. «An Uncommon Fetal Retention Case: Ruptured Ventral Hernia in a Sheep». Journal of the Hellenic Veterinary Medical Society 70 (4):1901-4. https://doi.org/10.12681/jhvms.22242.