0122-7483 0122-7483 S0122-74832017000200113 10.11144/javeriana.sc22-2.vifd Colombia Colombia Colombia 00 08 2017 00 08 2017 22 2 113 121

[1] 2004 175 451-3 [2] 2008 245 12 12 2791-3 [3] 1998 57 41-4 [4] 1954 [5] 1993 22 111-95 [6] 1980 II [7] 2003 [8] 1997 [9] 1983 [10] 1979 185-9 [11] 2010 82 22 22 22-203 [12] 2007 27 4297-300