Impact of Smoking on COVID-19 Symptoms in Non-Vaccinated Patients: A Matched Observational Study from Qatar

by Haider MZ, Al-Mannai A, Al-Sirhan S, Elsabagh A, Nasser N, Al-Quraishi N, Ouda A, Erradi K, Ashour AA, Gupta I, Abdulmajeed J, Al-Romaihi HE, Bansal D, Musa OAH, Abd Farag EAB, Al-Thani MHJ, Al Moustafa AE
Published 2022-03-01