0026-1742 0026-1742 S0026-17422016000300049 Mexico 00 06 2016 00 06 2016 59 3 49 55

1 2013 34 28 28 2159-219 2 1999 3 2012 4 2014 311 5 5 507-20 5 2013 9 1029-34 6 2008 78 ^sS2 ^sS2 S2 94-7 7 2014 8 1995 8 210-3 9 1990 8 607-19 10 1993 21 504-9 11 2013 29 5 5 528-42