1870-7203 1870-7203 S1870-72032019000400340 Mexico Mexico 00 12 2019 00 12 2019 17 4 340 344

1 1995 164 2 2 287-93 2 2006 16 4 4 477-81 3 2011 197 4 4 W551-8 4 2012 2 2 2 98-103 5 2016 33 4 4 277-82 6 2009 29 6 6 1669-88 7 2010 14 8 8 721-5 8 2006 4 1 1 33-41