Beleña, J. M., M. Núñez, A. Vidal, C. Gasco, J. Yuste, and A. Kahn. “Comparison of the I-GelTM and the LMA ProsealTM in Anesthetized Patients Undergoing Laparoscopic Cholecystectomy: A Prospective, Randomized Clinical Trial”. Anaesthesia, Pain & Intensive Care, Jan. 2019, pp. 135-40, https://mail.apicareonline.com/index.php/APIC/article/view/307.