Kumari, I., Gehlot, R.K., Verma, R., Narang, A., Verma, V. and Suwalka, P. 2019. Comparison of two different doses of dexmedetomidine added to ropivacaine in patients posted for upper limb surgery under supraclavicular brachial plexus block. Anaesthesia, Pain & Intensive Care. (Jan. 2019), 141-146.