Dixit, Ramakant, Ranjeet Meghwanshi, Devendra Singh, and Avesh Chaudhary. “The Heterogeneity of COPD: A Comprehensive Review of Clinical Phenotypes”. UAPM Journal of Respiratory Diseases and Allied Sciences 3, no. 01 (February 25, 2026). Accessed February 25, 2026. https://uapmjournal.in/index.php/uapmjrdas/article/view/114.