Health education and sanitation in indigenous lands in the Brazilian Amazon - Giatti, Leandro Luiz; Toledo, Renata Ferraz de; Pelicioni, Maria Cecilia Focesi; Cutolo, Silvana Audrá; Barreira, Luciana Pranzetti; Rocha, Aristides Almeida; Rios, Leonardo (World Congress on Public Health, 2009)