0138-6557 0138-6557 S0138-65572019000500010 Ecuador Cuba 00 00 2019 00 00 2019 48

1 2013 38 2 2 377-403 2 2002 2 5 5 3 1982 4 1995 2 2 20-8 5 2016 14 4 4 12 6 1996 7 1999 8 2018 9 1984 10 1985 11 2013 5 1 1 12 2012 13 2017 9 5 5 24-34