Riveros Pérez, Efraín. “Validation of the Clinical Usefulness of an Articulated Orotracheal Catheter in the Operating Room and Intensive Care”. Colombian Journal of Anesthesiology 39, no. 3 (July 1, 2011): 330–339. Accessed May 16, 2024. https://www.revcolanest.com.co/index.php/rca/article/view/838.