Author Details

Ferreira, Aldo Pacheco, Study Centre of Workers' Health and Human Ecology (CESTEH). Address: Rua Leopoldo Bulhões, 1480, Manguinhos - Cep: 21041-210, +55 21 25982814, aldopachecoferreira@gmail.com. Researcher at Sérgio Arouca National School of Public Health, Study Centre of Wor, Brazil