1.
Mustafa Assem , M, Falih Ahmed , D, Badr Mahmood M. Association of smoking type, status, number times of smoking and their effect on infected people by COVID-19. djm [Internet]. 2022 Oct. 15 [cited 2025 Aug. 30];23(1):88-9. Available from: https://djm.uodiyala.edu.iq/index.php/djm/article/view/929