2218-3620 2218-3620 S2218-36202021000200194 Ecuador 00 04 2021 00 04 2021 13 2 194 203

2016 2002 1983 272 1 1 185-8 2003 8 4 4 415-21 2006 11 3 3 297-302 2009 47 1 1 38-45 2007 45 2 2 213-6 1991 2012 5 3 3 117-21 2010 2012 22 2 2 109 2012 24 1138-43 2012 22 1147-51 2003 8 6 6 647-68 2005 10 3 3 273-82 Real Academia Española 2019 2012 32 7 7 1927-44 2016 80 4 4 258-67 2012 22 1152-5 2009 29 8329