0102-7735 0102-7735 S0102-77352014000200010 10.5238/2015v49i350002 Spain 00 05 2014 00 05 2014 49 35 10 28

19 23 23 88-99 36/37 36/37 53-70 36/37 36/37 85-102 36/37 36/37 9-20 14 14 231-60