Comparative Adverse Effects of Fix and Moving Source of Atmospheric Pollution from Brazil on the Mucociliary System: A Study on Frog Palate Epithelium - Carvalho-Oliveira, R.; Pires-Neto, R. C.; Saldiva, Paulo Hilário Nascimento; Bueno Garcia, M. L.; Macchione, Mariangela (Congresso Brasileiro de Ecotoxicologia, 2006)