Refaat, S., W. Abdelmageed, H. Alwedeny, E. Soliman, and M. Fouly. “Evaluation of the Effect of Dexmedetomidine Versus Magnesium Sulphate As an Adjuvant to Bupivacaine in Ultrasound Guided Erector Spinae Block; A Prospective Randomized Trial”. Anaesthesia, Pain & Intensive Care, Vol. 27, no. 5, Mar. 2023, pp. 425-30, doi:10.35975/apic.v27i5.2292.