M. R. Elghamry, A. G. Anwar, and S. W. Zahra, “Opioid-sparing effect of erector spinae plane block and intravenous dexmedetomidine for obese patients with obstructive sleep apnea: A randomized controlled trial”, J of Opioid Management, vol. 20, no. 3, pp. 243–253, May 2024.