Gupta, Ekta, Pooja Singh, Sunaina Tejpal Karna, Yogesh Niwariya, Vaishali Waindeskar, Sourabh Jain, Rajesh Panda, and Sandeep Kumar. “Comparison of Lung Ultrasound Technique versus 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 Archives for Chest Disease 94, no. 3 (September 18, 2023). Accessed November 2, 2026. https://www.monaldi-archives.org/macd/article/view/2700.