2521-2281 2521-2281 S2521-22812021000300121 10.52379/mcs.v5i3.218 Paraguay Paraguay Brazil Brazil Italy 00 12 2021 00 12 2021 5 3 121 122 1 2020 37 4 4 250-5 2 2020 66 89-95 3 2020 6 3 3 4 2020 11 558691 5 1973 130 8 8 865-9