Unonius Nichard, Araújo Jodeilson, Farah Michel E, Ferraz Sallum Juliana M, Calucci Daniela
Department of Ophthalmology, Paulista School of Medicine, Federal University of São Paulo, São Paulo, Brazil.
Can J Ophthalmol. 2004 Aug;39(5):538-9. doi: 10.1016/s0008-4182(04)80145-5.