Denault, A. Y., C. Casas, W. Puentes, R. Eljaiek, and I. Iglesias. “Head to Toe Ultrasound: Current Opinion on Its Role in Hemodynamic Instability, Hypoxemia, Oligoanuria and the Patient With Altered Neurological Status”. Colombian Journal of Anesthesiology, Vol. 45, no. 4, Oct. 2017, pp. 317–326, https://www.revcolanest.com.co/index.php/rca/article/view/559.