Amr Mohamed Sabry, Alaa El-Din Mohamed El-kassaby, Salah Abd-ElFattah M. Ismail, Emad El-dien Ahmed, Ahmed Ahmed El-lilly, “Effect of Opioid Free Anesthesia versus Opioid-Balanced Anesthesia on Systemic Inflammatory Responses for Elective Oncologic Abdominal Surgeries in Suez Canal University Hospitals: A Comparative Randomized Clinical Trial”, J Popl Ther Clin Pharmacol, vol. 29, no. 04, pp. 447–459, Dec. 2022.