Khan, Huma Saeed, Naveen Siddique Sheikh, Maria Muhammad Ayub, Mehak Tariq, Sidra Zahid, and Farida Hafeez. “SELF-REPORTED EXPOSURE TO SECOND-HAND TOBACCO SMOKE AND LUNG FUNCTION IN UNDERGRADUATE MALE MEDICAL STUDENTS IN PAKISTAN”. Pakistan Journal of Physiology 17, no. 3 (September 30, 2021): 32–35. Accessed May 6, 2024. https://pjp.pps.org.pk/index.php/PJP/article/view/1297.