Bhattarai, A. S., G. S. Shrestha, M. Koirala, P. S. Shrestha, and M. N. Marhatta. “Evaluation of the Effects of Ultra-Low Dose Naloxone on Brachial Plexus Block With Bupivacaine”. Birat Journal of Health Sciences, vol. 6, no. 1, June 2021, pp. 1373-6, doi:10.3126/bjhs.v6i1.37640.