0104-4060 0104-4060 S0104-40602016000400245 10.1590/0104-4060.46817 Brazil 00 12 2016 00 12 2016 00 62 245 259

39-64 29 1 1 185-93 47-63 1 1 166-88 6. ed. 17 2 2 35-57 5/6 5/6 5-14 2. ed. 31 2 2 155-69 18 371-81 4. ed. 11 32 32 211-25