1.
Mathew LM, Mathew L, Cherian V, David A. Effect of Epidural Ketamine on Pain after Total Knee Arthroplasty: A Randomized Double- Blind Placebo Controlled Clinical Trial. CJGH [Internet]. 2022Jun.20 [cited 2022Sep.26];9(1):77-6. Available from: https://journal.cjgh.org/index.php/cjgh/article/view/641