1665-1146 1665-1146 S1665-11462018000600373 10.24875/bmhim.18000017 Mexico Mexico Mexico 00 12 2018 00 12 2018 75 6 373 376

1. 2007 189 20-2 2. 2000 174 1136 3. 1994 151 1646-7 4. 2014 1990-8 5. 2009 25 6. 2013 1238-46 7. 2014 3 2 8. 2004 182 1088-9 9. 1998 82 599-600