1887-8571 1887-8571 S1887-85712021000100045 10.4321/s1887-85712021000100008 España España 00 03 2021 00 03 2021 77 1 45 46 1 2006 15 6 6 1019-24 2 2011 34 5 5 440-54 3 2019 28 12 12 3003-10 4 10-3 5 2017 2 1 1 31-42