1817-5996 1817-5996 S1817-59962020000200002 España 00 08 2020 00 08 2020 22 2 1 2018 5 1 1 011005 2 2019 3 2019 51 7 7 406-15 4 2017 10 CD012172 5 2018 11 2269-78