2218-3620 2218-3620 S2218-36202019000500131 Ecuador Cuba 00 10 2019 00 10 2019 11 5 131 139

2014 2018 1 2016 2017 Santa Clara 2015 31 134 134 68-78 2016 2007 ICH Expert Working Group 2009 Instituto Ecuatoriano de Normalización 2002 2009 2017 4 2 2 67-77 2013 66 189-98 2017 2012 11 2 2 333-49 2007 2016 36 2 2 120-32 2009 27 1 1 26-34 2006 2011 89 6 6 665-75 2017