Kulbhushan K, Varshney AC, Sharma DN, Singh M, Sharma SK, Nigam JM. Paravertebral lumbar analgesia in yaks (Bos grunniens). Indian J of Anim Sci. 2012;69(11). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/21567