Use of electronic cigarettes as a risk factor for the different clinical outcomes of COVID-19: A systematic review. Research, Society and Development, [S. l.], v. 12, n. 9, p. e11012943251, 2023. DOI: 10.33448/rsd-v12i9.43251. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/43251. Acesso em: 29 jun. 2025.