Maha Qasim (2022) “Susceptibility of SARS-CoV-2 COVID-19 Infection among Smokers/Tobacco Users Upregulating the Expression of Angiotensin-Converting Enzyme-2 (ACE2)”, Perspective of Recent Advances in Medical Research Vol. 2, pp. 128–133. doi: 10.9734/bpi/pramr/v2/4385A.