2664-2891 2664-2891 S2664-28912019000100046 10.53732/rccsalud/01.01.2019.46 Paraguay 00 06 2019 00 06 2019 1 1 46 51

1 1996 33 3 3 330-7 2 1973 26 6 6 1011-2 3 1995 53 4 4 392-6 4 1980 1-18 5 1998 6 1980 72 637-40 7 1985