0864-2141 0864-2141 S0864-21412021000300015 Cuba Cuba Peru 00 09 2021 00 09 2021 35 3

1 2015 2 2009 1ra 3 2016 8 3 3 1-12 4 2020 12 1 1 97-104 5 2015 2 6 6 16-21 6 2014 2 6 6 16-21 7 1998