Kumar T, Verma D, Singh S, Bajpai M, Srivastava A, Rao A, Haque S, Gautam P. A comparative assessment of hand grip exercise and 6-minute walk test in chronic obstructive pulmonary disease patients. Int J Res Med Sci [Internet]. 2024 Sep. 30 [cited 2025 Nov. 13];12(10):3768-7. Available from: https://www.msjonline.org/index.php/ijrms/article/view/14120