1405-9436 1405-9436 S1405-94362019000100009 Costa Rica 00 06 2019 00 06 2019 6 49 9 44

2011 39 39 111-22 1999 2016 2016 2010 2014 2000 2009 1 1 1 6-20 2010 2011 2016 6 2 2 329-44 2016 Costa Rica 2017 4 123-36 2016 2007