Comparing continuous bilateral quadratus lumborum block with continuous epidural block for analgesia and perioperative outcomes in colorectal cancer surgery: A noninferiority randomized controlled trial. - Roy, Shayak; Gupta, Nishkarsh; Bharti, Sachidanand J.; Garg, Rakesh; Mishra, Seema; Bhoriwal, Sandeep; Bhatnagar, Sushma; Kumar, Vinod (Journal of Anaesthesiology Clinical Pharmacology, 2026)