0034-7426 0034-7426 S0034-74262018000200171 10.15446/recolma.v52n2.77157 Ecuador Venezuela Venezuela 00 12 2018 00 12 2018 52 2 171 184

[1] 1998 [2] 1994 5 1 1 139-44 [3] 2006 9 53-62 [4] 2016 [5] 2016 [6] 2007 66 547-67 [7] 2015 107-21 2015 [9] 2000 [10] 1998 39 129-33 [11] 1906 369-90 [12] 2012 [13] 1934 [14] 2001 [15] 1941 27 222-4 [16] 1952 3 821-8 [17] 2013 1 2 2 253-64 [18] 2013 86 4 4 727-6 [19] 2014 43 6 6 935-42 [20] 1996 60 778-9 [21] 2001 [22] 2009 Second [23] 2010 80 1 1 193-9 [24] 2015 1 1 1 9-11 [25] 2006 23 [26] 1995 49 160-4 [27] 2014 17 1 1 51-61 [28] 2014 [29] 1966 166 287-90 [30] 1973 [31] 1976 14 888-98 [32] 1960 [33] 2007 326 303-11 [34] 2013 16 3 3 399-407