KHAN, S U, K WAHEED, S RASUL, M VOHRA, A NAZIR, and M YOUSUF. “Prevalence, Knowledge & Attitude Towards Smoking Among the Hospital Employees”. Annals of King Edward Medical University 7, no. 3 (October 11, 2017). Accessed February 13, 2025. https://www.annalskemu.org/journal/index.php/annals/article/view/1838.