Dogra, Vikas, Balakrishnan Menon, Vishal Bansal, and Shailendra Nath Gaur. “Assessment of the Correlates of Respiratory Morbidity Related Quality of Life, Using St George Respiratory Questionnaire (SGRQ) Among Male COPD Patients”. International Journal of Advances in Medicine 5, no. 3 (May 22, 2018): 498–504. Accessed December 25, 2025. https://www.ijmedicine.com/index.php/ijam/article/view/1070.