Biological and social aspects of Coronavirus Disease 2019 (COVID-19) related to oral health. SciELO Preprints, 2020. DOI: 10.1590/1807-3107bor-2020.vol34.0041. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/270. Acesso em: 30 jul. 2026.