@article{articleab64e3a8,
title   = {Trachoma prevalence and risk factors among preschool children in a central area of the city of São Paulo, Brazil},
author = {Caligaris, Lígia Santos Abreu and Morimoto, Wilma Tiemi Miyaki and Medina, Norma Helen and Waldman, Eliseu Alves},
year = {2006},
journal   = {Ophthalmic Epidemiology}
}