0123-9015 0123-9015 S0123-90152019000200039 Colombia 00 06 2019 00 06 2019 23 2 39 40 1 IARC 2018 2 2015 65 2 2 87-108 3 1985 49 11 11 713-7 4 2013 34 34 336-42 5 2013 31 1 1 127-35 6 2018 49 1 1 109-20 7 2004 8 1 1 5-14 8 2014 9 2008 13 2 2 102-11