1.
Gupta S, Gupta PP. An Assessment of Tracheal Index and Thoracic Cage Ratio in patients with Chronic Obstructive Pulmonary Disease. uapmjrdas [Internet]. 2025 Oct. 7 [cited 2025 Oct. 10];2(02):5-10. Available from: https://uapmjournal.in/index.php/uapmjrdas/article/view/102