1688-0390 1688-0390 S1688-03902019000400138 10.29193/rmu.35.4.6 Uruguay Uruguay Uruguay Uruguay 00 12 2019 00 12 2019 35 4 138 146

1 2002 72 48-57 2 1999 69 72-7 3 2007 23 3 3 200-2 4 2007 5 1997 62 352