Hannallah, Medhat, John Carroll, Aline Charabaty, Caren Palese, Franca Barton, and Nadim Haddad. 2019. “Comparison of Propofol Versus Propofol/Fentanyl Anesthesia”. Anaesthesia, Pain & Intensive Care 22 (2), 161-64. https://apicareonline.com/index.php/APIC/article/view/42.