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”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 29, no. 04, Dec. 2022, pp. 447-59, doi:10.53555/jptcp.v29i04.3973.