Bhattarai, A. S.; Shrestha, G. S.; Koirala, M.; Shrestha, P. S.; Marhatta, M. N. Evaluation of the Effects of Ultra-Low Dose Naloxone on Brachial Plexus Block With Bupivacaine. Birat J. Health Sci. 2021, 6, 1373-1376.