1608-8921 1608-8921 S1608-89212021000300095 Cuba Cuba Cuba Cuba 00 12 2021 00 12 2021 23 3 95 104

1 2021 6 1 1 2 Colectivo de autores 2017 3 2019 23 3 3 178-87 4 2006 5 7 7 612-7 5 2014 1;6 5 5 e535-8 6 2019 8 11 11 751-5 7 2018 41 1 1 8 2018 54 2 2 165-71 9 2016 22 4 4 21-9 10 2018 43 6 6 11 2019 23 1 1 175-86 12 2019 23 4 4 656-69