Kumar, Rajesh, Amit Kumar, Hari Om, Arjun, V., and Himanshu Mehta. 2020. “Therapeutic Use of Tocolytic Drugs in Management of Dystocia in Different Species of Animals- A Review”. International Journal of Livestock Research 10 (12). India:14-19. https://doi.org/10.5455/ijlr.20200723034306.