Correlation between the levels of air pollution with the hyperplasia of goblet cells in human conjunctiva during the last 7 years in the metropolitan area of Buenos Aires, Argentina - Berra, I.; Kara Jose, N.; Dawidowski, L.; Novaes, P.; D'Angiola, A.; Berra, A.; Saldiva, Paulo Hilário Nascimento (ARVO, 2008)