Jagdesh Kumar, Shafi Muhammad Khuhawar, Bashir Ahmed Chandio, Khalil Ahmed Sanghro, Saleh Muhammad Channa. Effect of Smoking on Chest Expansion, Respiratory and Lung Functions. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Jul. 9 [cited 2026 Apr. 23];16(06):340. Available from: https://mail.pjmhsonline.com/pjmhs/article/view/1594