Labib, F. M., H. H. Mansour, A. B. Mahdy, and A. A. Abdallah. “PREDICTING THE OPTIMAL TIME OF BREEDING AND THE POSSIBLE APPROACHES FOR TREATMENT OF SOME ESTRUS CYCLE ABNORMALITIES IN BITCHES”. Slovenian Veterinary Research, vol. 55, no. 20-Suppl, Nov. 2018, pp. 125–35, doi:10.26873/SVR-637-2018.