0253-5785 0253-5785 S0253-57852020000500029 Ecuador Cuba 00 00 2020 00 00 2020 47 29 32

2006 7 1 1 1-16 1998 18 6 6 705-19 2016 7 7 422 2016 8 4 4 2325-36 2018 100 1 1 1-12 1980 46 2 2 101-65