Kulbhushan, K., Varshney, A. C., Sharma, D. N., Singh, M., Sharma, S. K., & Nigam, J. M. (2012). Paravertebral lumbar analgesia in yaks (Bos grunniens). The Indian Journal of Animal Sciences, 69(11). https://epubs.icar.org.in/index.php/IJAnS/article/view/21567