0185-2523 0185-2523 S0185-25232016000100050 10.1016/j.ehn.2015.10.002 Mexico 00 06 2016 00 06 2016 54 50 73

1991 2000 9 325-46 1851 1980 2.ª ed. 1943 2007 1990 1986 2013 1977 27 17-48 2002 1965 2002 1993 43 1998 1998 1979 1940 1977 2001 1980 1987 9 1987 2012 2011 1993 1998 1985 45 521-78 1991 43-69 2001 24 15-51 2005 27-46 1991 2000 1995 1999 1998 1897 1998