1870-7203 1870-7203 S1870-72032019000200181 Mexico México México México México 00 06 2019 00 06 2019 17 2 181 184 1 1971 43 3 3 323-32 2 1900 8 1 1 1-10 3 2002 57 4 4 275-8 4 2015 32 ^s2 ^s2 2 S125-39 5 2015 86 2 2 264-70 6 2007 93 4 4 514-8