Hacıbeyoğlu, G., A. Topal, T. Küçükkartallar, R. Yılmaz, Şule Arıcan, and S. T. Uzun. “Investigation of the Effect of Ultrasonography-Guided Bilateral Erector Spinae Plane Block on Postoperative Opioid Consumption and Pain Scores in Patients Undergoing Hepatectomy: A Prospective, Randomized, Controlled Study”. São Paulo Medical Journal, vol. 140, no. 1, June 2022, pp. 144-52, https://periodicosapm.emnuvens.com.br/spmj/article/view/554.