Khalid, Tehmina, Tehreem Shabbir, Abdur Rehman, Nazia Jabeen, and Hira Muzamil. “Comparison of the Effects of Cigarettes, E-Cigarettes, and Shisha on Pulmonary Function in Young Adults”. Indus Journal of Bioscience Research 3, no. 10 (October 30, 2025): 349–352. Accessed December 13, 2025. https://www.ijbr.com.pk/IJBR/article/view/2568.