![Clonidine as an adjuvant for ultrasound guided supraclavicular brachial plexus block for upper extremity surgeries under tourniquet: A clinical study]()
Clonidine as an adjuvant for ultrasound guided supraclavicular brachial plexus block for upper extremity surgeries under tourniquet: A clinical studyGupta, Kumkum; Gupta, PrashantK; Pandey, MaheshNarayan; Shubham, Garg; Tiwari, Vaibhav; Singhal, ApoorvaB · Journal of Anaesthesiology Clinical Pharmacology · 2014