2218-3620 2218-3620 S2218-36202018000200335 República del Ecuador 00 02 2018 00 02 2018 10 2 335 340

2008 13 13 2007 5 1 1 2010 15 15 9-28 2012 10 2 2 141-92 1997 3 1 1 2010 72 4 4 629-58 2014 20 1 1 365-76 2006 4 2 2 2010 43 128 128 761-814 2009 11 2 2 2007 5 1 1 2011 9 2 2 2009 66 146 146 33-55 2011 1 1 1998