0100-3143 0100-3143 S0100-31432017000200793 10.1590/2175-623659116 Brazil Brazil 00 04 2017 00 04 2017 42 2 793 807

4 1 1 41-62 3. ed 13-34 3. ed 13-37 138-41 231-49 8. ed 41. ed 164-85 8. ed 35-86 23-45 28 516-35 3. ed 37 92-100