Kulbhushan, Kulbhushan, A C Varshney, D N Sharma, Mohinder Singh, S K Sharma, and J M Nigam. 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.