0001-6002 0001-6002 S0001-60022017000400158 Costa Rica 00 12 2017 00 12 2017 59 4 158 160

1 2013 44 321-4 2 2006 97 404-5 3 2015 43 204-7 4 2009 107 57-9 5 1992 32 317-20 6 2017 63 58-60 7 2004 104 211-3 8 2011 103 250-4 9 2000 30 83-5 10 2016 93 831-7