0001-6002 0001-6002 S0001-60022019000300131 Costa Rica Costa Rica 00 09 2019 00 09 2019 61 3 131 133

1. 2006 113 1807-1816. 2. 2011 64 797-808 3. 2013 161 4 4 525-32 4. 2018 18 2 2 S30-S5 5. 6. 2017 70 11 11 991-1004.