Seyam, S., I. Abdelgawad, and M. Abdelhalim. “Dexmedetomidine Versus Fentanyl As an Adjuvant to Bupivacaine in Saddle Anesthesia for Anoplasty: A Correlative Randomized Double-Blinded Trial”. Anaesthesia, Pain & Intensive Care, Vol. 28, no. 2, Apr. 2024, pp. 302-9, doi:10.35975/apic.v28i2.2438.