0864-3466 0864-3466 S0864-34662020000500007 Cuba Cuba Ecuador 00 00 2020 00 00 2020 46

1 2020 7 228-9 2 2020 19 2 2 3 2020 95 288-93 4 2004 10 7 7 1206-12 5 2020 26 7 7 1616-8 6 2020 180 7 2004 55 9 9 1055-7 8 2005 22 5 5 398-406 9 2020 395 10227 10227 912-20 10 2020 33 2 2 19-21 11 2020 17 5 5 1729 12 2008 8 347 347 1-13 13 2020 287 16 16 112921 14 2020 29 13-14 13-14 2041-3 15 Ho Cheung Li W 2020 29 9-10 9-10 1425 16 2008 136 7 7 997-1007 17 2013 7 1 1 105-10 18 2015 350 g7753 19 2020 20 2020 21 2020 22 2012 105 12 12 518-22 23 2020 7 1 1 29-32 24 2020 5 1 1 e62-70 25 2020 7 1 1 27-8