Ortega Agón, Karina Alejandra, and Julián Felipe González Maldonado. “Awake Intubation With Videolaryngoscopy and Ultrasound-Guided Percutaneous Tracheostomy in a Patient With Anaplastic Thyroid Cancer and Difficult Airway: A Case Report”. Colombian Journal of Anesthesiology, vol. 46, no. 2, Apr. 2018, pp. 159-63, https://www.revcolanest.com.co/index.php/rca/article/view/219.