GUPTA, Saumya; GUPTA, Prem Parkash. An Assessment of Tracheal Index and Thoracic Cage Ratio in patients with Chronic Obstructive Pulmonary Disease. UAPM Journal of Respiratory Diseases and Allied Sciences, [S. l.], v. 2, n. 02, p. 5–10, 2025. DOI: 10.70192/. Disponível em: https://uapmjournal.in/index.php/uapmjrdas/article/view/102.. Acesso em: 10 oct. 2025.