0120-2448 0120-2448 S0120-24482017000200087 Colombia 00 06 2017 00 06 2017 42 2 87 89 1 2012 2 2002 1-13 3 1983 321 1273-5 4 1984 1 1311-5 5 2017 6 2015 64 1353-67 7 2009 24 314-29 8 IARC Helicobacter pylori Working Group 2014 9 2013 28 329-37 10 2017 66 6-30 11 12 1995 24 875-82 13 2010 15 Suppl1 Suppl1 53-9 14 2015 doi 10 15 2010 2 2 16 2011 16 Suppl 1 Suppl 1 1-9 17 2006 134 439-49 18 2015 6 539-47 19 1991 337 1503-6 20 2017 212-391 21 2016 21 ^s1 ^s1 1 3-7 22 2017 42 121-8 23 1999 87 697-701 24 2003 37 2251-6 25 2012 2459-67 26 2012 17 327-32 27 2002 68 1436-9 28 2013 2013 2805-10 29 2016 16 40 30 2004 53 1235-43 31 2016 21 337-48 32 1996 144 290-9 33 1965 58 295-300