El-Amrawi, G. ., and D. R. . Gad El-Karim. “The Presumptive Effectiveness of Silver Nanoparticles in Treatment of Postpartum Endometritis in Dairy Cows”. Journal of Advanced Veterinary Research, vol. 12, no. 6, Nov. 2022, pp. 690-3, https://advetresearch.com/index.php/AVR/article/view/1078.