SHARMA, R. K., PANT, H. C., SABIR, M., & GARG, S. K. (2014). Concentration of 5-HT (serotonin) in placenta and uterus of buffaloes during pregnancy. The Indian Journal of Animal Sciences, 73(2). https://epubs.icar.org.in/index.php/IJAnS/article/view/42937