@article { lirsanaze2008, author = "Lira, Madalena and Santos, Lívia and Azeredo, Joana and Yebra-Pimentel Vilar, Eva and Oliveira, M. Elisabete", title = "Comparative study of silicone-hydrogel contact lenses Surfaces before and after wear using atomic force microscopy", year = "2008" }