2073-6061 2073-6061 S2073-60612019000300013 Ecuador Cuba 00 00 2019 00 00 2019 13

1968 XXIII 4 4 589-609 1983 1977 29-54 2006 38 63-93 1982 9 1 1 51-62 1966 4 71-127 2003 27 11 11 2099-120 1990 Estados Unidos 2004 71 3 3 469-99 2014 1976 51 90-6 1984 22 83-6 2005 76 76 179-94 1977 32 3 3 875-900 2000 17 3 3 249-60 2013 2007 1983 1 115-28 1985 40 1 1 269-91 1995 66 66 36-61 2019 2018 12 2 2 254-67 1991 9 4 4 93-105 2006 60 60 1-28 2002 5 4 4 58-65 1977 1 3 3 249-76 1994 42 3 3 227-46 2011 1994 80 80 709-32 1980 18 1 1 109-31 2012 30 30 1-23 2001 6 6 27-42 1994 2 2 751-73 2008 54 54 35-56 1992 38 7 7 926-47 2012 15 1 1 7-58 2014 8 3 3 29-40 2004 1994 11 5 5 545-57 1984