2079-3480 2079-3480 S2079-34802021000100008 Cuba Ecuador Ecuador México Cuba España Spain Haití Ecuador 00 03 2021 00 03 2021 55 1 77 93

2003 132 4 4 2218-29 2019 51 2019 2019 893-904 2003 AOAC (Association of Official Analytical Chemists) 2016 20th 2017 3 2 2 294-9 2019 31 2 2 1994 48 4 4 458-63 2019 9 1-12 2020 10 843 843 1-14 2011 44 23 23 411-31 2020 8 1 1 154-62 2019 41 1 1 108-23 2019 15 2 2 177-86 1989 1 1 1 36-47 2006 29 2 2 1-17 2019 42 3 3 243-8 2018 1013 2018 2018 2019 26 2 2 96-100 2016 17 1 1 1-4 2015 2020 24 2 2 23-38 2017 51 2 2 271-9 2018 9 2020 225 1 1 26-36 2006 41 3 3 950-6 2018 4 1 1 70-88 2018 52 3 3 347-56 2012 35 3 3 283-92 2003 49 3 3 241-56 2009 27 2 2 121-34 2018 52 3 3 1-10 2015 13 2 2 11-21 2015 4 1 1 1-11 1994 42 7 7 1447-50 2018 5 2 2 33-8 2001 8 2 2 203-8 2019 6 105 105 1-7 2020 6 4 4 2018 19 4 4 1-8 2019 222 2019 2019 1832-45 2002 25 3 3 171-80 1986 25 14 14 223-30 2016 42 2 2 116-23 2020 4 2020 2020 16-8 2019 31 8 8 2014 48 3 3 247-52 2015 5 1 y 2 1 y 2 55-62 2016 43 4 4 400-7 2020 23 2 2 1-16 2012 3 1 1 53-62 2003 37 4 4 403-7 2012 19 1 1 33-6 2018 82 3 3 507-14 2017 44 1 1 35-42 2009 1 1 1 52-8 2017 14 2 2 19-27 2019 1st 2018 52 4 4 457-71 2020 94 4 4 1247-53 2020 94 4 4 1209-18 2019 8 1 1 1-5 2003 4 001 001 35-40 1998 2013 24 2 2 257-75