2312-3893 2312-3893 S2312-38932020000100118 10.18004/rvspmi/2312-3893/2020.07.01.118-122 Paraguay 00 03 2020 00 03 2020 7 1 118 122

1 2010 7th ed 3209-19 2 2011 343 785-90 3 2003 37 4 4 490-7 4 2015 19ª ed 1088-94 5 2008 101 10 10 1019-23