1028-4818 1028-4818 S1028-48182019000200347 Cuba 00 04 2019 00 04 2019 23 2 347 354

1 2003 2 2003 6 2 2 21-6 3 2000 15 2 2 82-5 4 2003 6 12 12 41-5 5 2001 LVIII 1 1 21-30 6 1981 23 1-2 1-2 20-4 7 2000 8 1999 36 3 3 253-6 9 2005 54 3 3 1-44