AL-Khuzai, Suaad Sh. J., and Hamza M. H. AL-Khuzai. 2022. “Relationship Pregnancy With IgA, IL-6 and TGF-1β in Holstein Cows”. International Journal of Health Sciences 6 (S5):7561-66. https://doi.org/10.53730/ijhs.v6nS5.10431.