Thabit, Mohammed, and Salah Mahdi. “Comparative Assessment of Melatonin Implants and Progesterone Hormone Effect on the Testicular Changes in Tomcats”. University of Thi-Qar Journal of Agricultural Research, vol. 14, no. 2, Dec. 2025, pp. 435-50, https://doi.org/10.54174/y6qedd88.