Bastanhagh, E. ., F. . Yousefshahi, S. A. . Moosavian, S. . Samimi Sadeh, and F. . Davari-Tanha. “Comparison of Preventive Acetaminophen and Placebo in Pain Reduction After Cesarean Section; A Randomized Clinical Trial”. Annals of Anesthesiology and Critical Care, vol. 4, no. 1, July 2019, pp. 1-5, https://journals.sbmu.ac.ir/index.php/anescc/article/view/33469.