2072-8174 2072-8174 S2072-81742023000200089 10.18004/rdn2023.dic.02.089.092 Paraguay Paraguay 00 12 2023 00 12 2023 15 2 89 92

1 2012 5 3 3 198-201 2 2008 41 3 3 38-42 3 2008 16 2 2 200-14 4 2016 3 1 1 69-73 5 2018 78 5 5 347-53