Al-Hamedawi, Talib M. “Induction of Fertile Estrus in Bitches Using Equine Chorionic Gonadotropine (eCG) and Human Chorionic Gonadotropine (hCG)”. The Iraqi Journal of Veterinary Medicine, vol. 37, no. 1, June 2013, pp. 102-5, https://doi.org/10.30539/iraqijvm.v37i1.340.