Thomé, Beatriz, Leandro F. M. Rezende, Mariana Cabral Schveitzer, Camila Nascimento Monteiro, and Moisés Goldbaum. “Differences in the Prevalence of Risk Factors for Severe COVID-19 across São Paulo City Regions: Differential Risk Factor Prevalence for Severe COVID-19 in São Paulo”. SciELO Preprints, July 8, 2020. Accessed June 26, 2022. https://preprints.scielo.org/index.php/scielo/preprint/view/926.