1405-5546 1405-5546 S1405-55462016000400723 10.13053/cys-20-4-2489 Mexico Mexico Mexico 00 12 2016 00 12 2016 20 4 723 728

1996 43 12 12 843-5 2011 66 1 1 9-18 2008 44 23 23 2012 48 14 14 2004 51 3 3 124-9 2005 2 4 4 103-7 2001 W90-130 2002