Hoq, N., and A. A. Maruf. “Dexamethasone Added to Bupivacaine Prolongs the Duration of Analgesia for Supraclavicular Brachial Plexus Block”. Bangladesh Journal of Medical Science, vol. 17, no. 2, Mar. 2018, pp. 296-01, doi:10.3329/bjms.v17i2.35887.