Mantay, A., K. Pasutharnchat, and S. Pukwilai. “Efficacy of perioperative administration of duloxetine for prevention of post-mastectomy pain syndrome”. Thai Journal of Anesthesiology, vol. 42, no. 4, Dec. 2016, pp. 279-90, https://he02.tci-thaijo.org/index.php/anesthai/article/view/92217.