Marwah Riyadh Salim, Hashim Mahdi Hashim, and Haider Dawood. “Assessment of Smoking Dependence by FAGERSTRŐM Test and Its Association With Some Comorbidities and Educational Level”. Journal of the Faculty of Medicine Baghdad 64, no. 2 (July 24, 2022): 74–80. Accessed May 14, 2024. https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/1903.