1012-2966 1012-2966 S1012-29662021000200240 10.47993/gmb.v44i2.284 Bolivia Bolivia 00 00 2021 00 00 2021 44 2 240 243

1 2018 68 1 1 7-30 2 National Cancer Institute 3 2013 39 4 4 249-52 4 2003 170 1 1 5-11 5 2013 5 1 1 417-27 6 2013 24 2 2 508-13 7 2010 19 5 5 1151-9 8 2015 9 11-12 11-12 381 9 2011 34 4 4 e86-97 10 2010 17 2 2 109-21 11 1999 12 2003 70 3 3 205-10 13 1991 15 9 9 829-34 14 1995 154 5 5 1756-8 15 2001 54 1129-32 16 1999 33 3 3 197-9 17 2001 25 74-7 18 2002 54 3 3 179-82 19 2014 38 8 8 1160 20 1998 22 6 6 709-21 21 2016 70 1 1 93-105 22 1980 74 5 5 607-19 23 1992 126 4 4 367-71 24 1992 126 4 4 367-71 25 2009 69 3 3 123-6 26 1998 42 6 6 1458-60