D. T. Hoan, D. D. Hung, P. Q. Dat, and N. H. Tu, “Continuous Unilateral Erector Spinae Plane Block versus Intravenous Analgesia in Minimally Invasive Cardiac Surgery: A Randomized Controlled Trial”, Open Access Maced J Med Sci, vol. 10, no. B, pp. 1340–1346, Apr. 2022.