1817-5996 1817-5996 S1817-59962020000100001 Espańa 00 04 2020 00 04 2020 22 1 1 2019 6 1-10 2 2019 19 1-9 3 2017 61 12 12 2145-52 4 2016 18 3-4 3-4 232-7 5 2017 69 7 7 966-72