Ng, MD, FRCA, Alexander, Ajay Swami, FFARCSI, Graham Smith, MD, FRCA, and Joe Emembolu, FRCOG. 2018. “Early Analgesic Effects of Intravenous Parecoxib and Rectal Diclofenac Following Laparoscopic Sterilization: A Double-Blind, Double-Dummy Randomized Controlled Trial”. Journal of Opioid Management 4 (1):49-53. https://doi.org/10.5055/jom.2008.0008.