0102-7735 0102-7735 S0102-77352014000100065 10.5238/2015v48i340004 Portugal 00 04 2014 00 04 2014 48 34 65 85

67 67 385-97 11 11 671-84 59 59 335-52 1-15 32 32 603-15 3 39 39 251-66 46 46 4-11 46 46 115-27 17 17 165-71 2 16 16 129-50 3 3 222-40