Effect of dexmedetomidine as an adjuvant to bupivacaine in femoral nerve block for perioperative analgesia in patients undergoing total knee replacement arthroplasty: A dose–respon... oleh Senthil K Packiasabapathy, Lokesh Kashyap, Mahesh K Arora, Ravinder Kumar Batra, V K Mohan, Ganga Prasad, C S Yadav