1727-8120 1727-8120 S1727-81202019000100180 Cuba 00 04 2019 00 04 2019 19 1 180 200

1 1990 2 1999 3 2015 4 1984 5 1981 6 1926 223-41 7 2014 53 1 1 8 National Cancer Institute website 9 2001 10 2001 11 2017 96 4 4 12 2000 13 2004 14 2004 2 15 2016 27 1 1 65-75 16 2010 17 2016 18 2015 19 20 21 2006 32 3 3 22 2014 5 23 2016 2 71-80 24 2016 23 10 10 3247-58