2236-3459 2236-3459 S2236-34592014000100115 10.1590/S2236-34592014000100007 Spain 00 04 2014 00 04 2014 18 42 115 130

114 114 103-36 69 69 87-104 129-45 169-89 59 59 239-60 62 62 113-29 59 59 261-311 61 61 139-49