1870-199X 1870-199X S1870-199X2015000400228 10.1016/j.rodmex.2015.10.003 Mexico Mexico 00 12 2015 00 12 2015 19 4 228 231

2013 83 512-8 2009 20 26-30 2009 9 17-23 2009 46 23-31 2013 21 225-30 1992 219-21 2004 61 176-82 2002 72 216-21 1998 4 240 2013 4 31-6 2010 138 339-45 2012 3 324-9 2003 73 314-8 1977 7 185-201 2011 2003 124 178-83 2004 4 63-6