0012-7353 0012-7353 S0012-73532021000400210 10.15446/dyna.v88n219.93809 Mexico 00 12 2021 00 12 2021 88 219 210 217

[1] 2007 339-58 [2] 1993 6 6 [3] 1958 [4] 1995 [5] 2004 [6] 2015 45 60-6 [7] 2015 16 1 1 1-7 [8] 2018 31 86 86 1-11 [9] 2018 41 4 4 990-1001 [10] [11] [12] 1972 [13] 1990 90-18 [14] 1989