Nakrani, B.B., et al. “Influence Of Mid-Cycle Pg Therapy On Fertility And Plasma Profile Of Progesterone And Biochemical Constituents In Repeat Breeding Cows And Buffaloes ”. Indian Journal of Veterinary Sciences and Biotechnology, vol. 10, no. 4, Apr. 2015, pp. 63-69, https://acspublisher.com/journals/index.php/ijvsbt/article/view/2944.