2312-3893 2312-3893 S2312-38932022000100147 10.18004/rvspmi/2312-3893/2022.09.01.147 Paraguay 00 03 2022 00 03 2022 9 1 147 148

1 2021 11 1 1 166 2 2016 60 1 1 9-20