Sarker, NC, MA Hashim, BP Ray, and SK Sarker. 2011. “Sedation of Xylazine and Lignocaine With Adrenaline and Bupivacaine for Umbilical Surgery in Calves”. Journal of Bio-Science 18 (October):134-39. https://doi.org/10.3329/jbs.v18i0.8789.