2307-0420 2307-0420 S2307-04202019000200024 10.18004/sopaci.2019.agosto.24-26 Paraguay 00 08 2019 00 08 2019 43 2 24 26

1 2010 24 359-65 2 2009 86 139-46 3 2006 20 1320-5 4 2009 23 487-95 5 2006 8 4-9 6 2004 6 189-99 7 2004 6 200-8 8 Schumpelick V 2005 29 1066-72