1659-0775 1659-0775 S1659-07752019000100059 Ecuador Ecuador Ecuador 00 06 2019 00 06 2019 30 59 64

Ada Council on Scientific Affairs 2003 134 463-72 2014 2016 10 10 10 ZC43-6 2014 2014 1 1 52 2016 62-72 2006 25 371-6 2005 94 2 2 118-24 2006 l 11 11 2 2014 16 16 115-23 2012 9 4 4 441-6 2016 1 14-21 2007 18 133-7 2017 2008 36 2 2 152-7 2008 46 3 3 381-92 2008 46 3 3 381-92 SDI 2015 2014 2 2 2 92-105 2013 9 2 2 9-15 2015 255-61