Gupta E, Singh P, Tejpal Karna S, Niwariya Y, Waindeskar V, Jain S, et al. Comparison of lung ultrasound technique <em>versus</em> clinical method to evaluate the accuracy of size and placement of left endobronchial double lumen tube in patients undergoing elective thoracic surgery: a prospective observational study. Monaldi Arch Chest Dis [Internet]. 2023 Sep. 18 [cited 2024 Nov. 28];. Available from: https://www.monaldi-archives.org/macd/article/view/2700