The effect of air pollution on pneumonia-related emergency department visits in a region of extensive sugar cane plantations: A 30-month time-series study - Arbex, Marcos Abdo; Pereira, Luiz Alberto Amador; Carvalho-Oliveira, Regiane; Saldiva, Paulo Hilário Nascimento; Braga, Alfésio Luís Ferreira (Journal of Epidemiology and Community Health, 2014)