0212-1611 0212-1611 S0212-16112019000200245 10.20960/nh.02580 Spain Spain 00 04 2019 00 04 2019 36 2 245 246 1 2012 33 48-70 2 2019 36 2 2 394-404 3 2017 21 2 2 134-47 4 2018 5 105 5 2005 15 224-32