2072-8174 2072-8174 S2072-81742017000100049 10.18004/rdn2017.0009.01.049-060 Paraguay Paraguay 00 06 2017 00 06 2017 9 1 49 60

2011 71 2 2 112-7 2010 78 12 12 660-8 2002 105 18 18 2179-84 2011 11 65 2015 37 11 11 498-504 2013 41 8 8 1844-52 2013 3 9a 9a 41-50 2007 131 3 3 718-24 2004 32 6 6 1294-9 Oliveira Leonam Costa.Costa Aurélio Antônio Ribeiro da 2015 27 3 3 220-7 2010 16 1 1 18-25 2013 20 24-31 2000 55 12 12 1155-8 2004 32 6 6 1294-9 Ribeiro da Costa AA 2015 27 3 3 220-7