Evaluation of Surrogate Risk Factors for Severe Progression of COVID-19 in Tobacco Smoking Sub-Population and its Possible Amelioration by Immune Modulators. Global Journal of Medical Research, [S. l.], v. 22, n. K2, p. 67–79, 2022. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/102185. Acesso em: 30 jan. 2026.