0185-3082 0185-3082 S0185-30822015000200113 10.1016/j.apoet.2015.03.010 Mexico 00 12 2015 00 12 2015 36 2 113 126

1969 2009 14- 18 y 48 2002 1-20 2008 5 5 2002 1969 20- 46-47 2009 2013 1982