0120-0011 0120-0011 S0120-00112016000300493 10.15446/revfacmed.v64n3.52883 Colombia Colombia 00 09 2016 00 09 2016 64 3 493 498

2010 7 4 4 231-8 2005 6 2 2 139-42 International Agency for Research on Cancer 2013 2009 38 1 1 17-25 2012 92 5 5 1337-51 2012 76 1 1 44-51 2000 32 4 4 322-30 2009 115 3 3 508-16 2013 26 3 3 276-81 2004 19 12 12 1397-402 2011 24 8 8 569-74 2010 23 1 1 64-70 2010 16 45 45 5739-45 2005 20 1 1 33-48 2006 41 3 3 252-6 2007 65 6 6 923-9 2007 65 6 6 929-31 1994 193 3 3 689-95 2005 30 4 4 456-64 2013 23 3 3 786-96 2006 93 4 4 257 2006 93 4 4 258-67 2002 95 7 7 1434-43 2009 92 2 2 270-5