0121-7577 0121-7577 S0121-75772022000200016 10.17151/hpsal.2022.27.2.2 Venezuela 00 12 2022 00 12 2022 27 2 16 18 1 2018 2 2020 45 1 1 148 3 2020 25 9 9 4 2006 20 2 2 153-8 5 2015 32 32 32-7 6 2013 30 4 4 543-6