“Remifentanil Infusion Versus Propofol and Remifentanil Patient Controlled Sedation Analgesia for Moderate Sedation During Interventional Radiological Procedures: A Prospective Randomized Trial ”. Annals of Medical Research 25, no. 3 (May 25, 2021): 0394–0399. Accessed April 19, 2025. http://annalsmedres.org/index.php/aomr/article/view/1466.