1405-0099 1405-0099 S1405-00992020000400311 10.35366/101401 Venezuela 00 12 2020 00 12 2020 42 4 311 315

1 2017 109 17-20 2 OVV-LACSO 3 2003 55 1095-110 4 2011 5 2006 6 6 1995 7 223-30 7 1985 253 2705-8 8 1974 176 639-46 9 2006 74 431-42 10 2000 4 839-79 11 1991 31 117-2