SINGH, L P, and RAJNISH AGRAWAL. “Effect of Protein Concentration and Ferning Pattern of Bovine Cervical Mucus on Sperm Penetration”. The Indian Journal of Animal Sciences 70, no. 10 (January 1, 2014). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/36261.