1870-2147 1870-2147 S1870-21472021000200179 10.35487/rius.v15i48.2021.743 Mexico 00 12 2021 00 12 2021 15 48 179 207

2020 2018 2001 18 2017 153 y 154 2013 1962 3 4 4 215-23 1993 162 2018 2018 2011 2 2 155 2015 9 2020 2019 46 46 13 1955 27 4 4 2 2020 672 2019 2010 16 2019 1045 1967 7 1967 20 2 2 159-68 2020 2009 XXX XXX 277 1917 17