Zainab, F., Faruq, M. O., Talukder, M., Yeasmeen, S., Alam, A. S. and Haque, A. F. (2016) “Anaesthetic and analgesic eects of adding fentanyl to bupivacaine-lignocaine mixtures in supraclavicular brachial plexus block – a comparative study with or without fentanyl”, Bangladesh Medical Journal, 44(1), pp. 26–31. doi: 10.3329/bmj.v44i1.26348.