Impact of intra-articular local anesthesia infiltration versus femoral nerve block for postoperative pain management in total knee arthroplasty. - Chandrashekaraiah, Mahesh; Shah, Vishal; Sahitya, Purvi; Pandey, Vipin; Butt, Ahsan; Mohammed, Shaimaa; Adeel, Shahid (Anesthesia: Essays & Researches, 2021)