1405-5546 1405-5546 S1405-55462020000100075 10.13053/cys-24-1-3217 Cuba Chile 00 03 2020 00 03 2020 24 1 75 95

1 2014 5 4 4 131-9 2 1996 7 3 3 321-52 3 1990 16 10 10 1150-63 4 2014 5 2004 33 1 1 77-82 6 2011 40 3 3 61-9 7 2014 32-7 8 2016 53 4 4 381-9 9 2017 36 2 2 243-54 10 1997 113-26 11 2014 12 2016 11 1 1 51-87 13 2010 4 35 35 417-40 14 2008 9 3 3 15 1976 1 1 1 9-36 16 2004 17 2019 16:1-16:11 18 2015 6 19 2000 7 20 2016 7 21 2019 525-32 22 1994 23 2015 first 24 2008 2 25 2011 26 2017 504 504 3-16 27 2018 91-103 28 1992 17 3 3 209-42 29 International Organization for Standardization 1998 30 2016 216-9 31 2004 30 4 4 204-8 32 2012 33 2015 2 80-7 34 2014 202 202 489-503 35 2017 11 2 2 177-204 36 2019 11683 37 1997 327-41 38 2014 40 1 1 121-70 39 1994 292-304 40 2017 73-80 41 2011 592-607 42 2010 377-84 43 2007 44 OMG 2014 45 OMG 2017 46 2018 13 13 274-80 47 2003 48 2007 8 3 3 49 2009 50 2017 73-8 51 2016 28 1 1 13-26 52 2015 54 191-208 53 2019 18 5 5 3083-96 54 2005 3 55 2014 56 1999 1 57 2008 5231 520-1 58 2002 59 2018 15 1005-8 60 2012 1