León-Delgado, M. (2019) “Opioids for the management of dyspnea in patients with heart failure: a systematic review of the literature”, Colombian Journal of Anesthesiology, 47(1), pp. 49–56. Available at: https://www.revcolanest.com.co/index.php/rca/article/view/212 (Accessed: 29 April 2024).