Observational Study
Copyright ©The Author(s) 2020.
World J Hepatol. May 27, 2020; 12(5): 230-238
Published online May 27, 2020. doi: 10.4254/wjh.v12.i5.230
Figure 1
Figure 1 Brazilian map with the five geographic regions and their population (https://ibge. gov.br/).