2218-3620 2218-3620 S2218-36202018000500366 República del Ecuador 00 12 2018 00 12 2018 10 5 366 371

2007 2001 2007 49 1 1 11-2 2015 2003 2002 2014 17 32 32 27-53 2010 13 1 1 2010 13 1 1 2009 40 1 1 21-32 2007 5 42-8 2007 6 2 2 316-27 2014 19 4 4 1-11 2004 52 52 119-35