Zia Shamsi, Adnan, Sumbul Tasneem, Iqra Haider, Mah Rukh Aslam, and Humera Sarwar. “ Prevalence of Nicotine Dependence Among Adults in Karachi, Pakistan”. International Journal of Endorsing Health Science Research 6, no. 1 (March 31, 2018): 23–30. Accessed May 1, 2024. https://aeirc-edu.com/ojs14/index.php/ijehsr/article/view/171.