Aboelela, Mohamed Adel, and Alrefaey K. Alrefaey. 2021. “Opioid Free Versus Opioid Based Anesthesia in Abdominal Gynecological Surgery: A Prospective Randomized Controlled Trial”. Anaesthesia, Pain & Intensive Care 25 (5), 653–659. https://doi.org/10.35975/apic.v25i5.1642.