Shukla, Mayank, and Sakshi Bansal. “Environmental PM2.5, Physical Activity Levels, and Aerobic Capacity, of Smokers and Non-Smokers”. Journal of Community Medicine and Health Solutions 4, no. 2 (July 27, 2023): 057–062. Accessed September 16, 2025. https://www.hspioa.us/jcmhs/article/view/jcmhs-aid1036.