Sushma, Sikka G, Singh PK, Meetu. Correlation between disease knowledge and health related quality of life in patients with chronic obstructive pulmonary disease. Int J Res Med Sci [Internet]. 2024 Nov. 30 [cited 2025 Nov. 27];12(12):4820-4. Available from: https://www.msjonline.org/index.php/ijrms/article/view/14361