Lorena P. Quiroga1; Van Lansingh2; Florentina Laspina3; Margarita Samudio3; Jenny Stanley3; Herminia Miño de Kaspar4; Diógenes Cibils5; Pablo Cibils5
DOI: 10.1590/S0004-27492010000200005
1,Fundacion Vision e Central Hospital Instituto de Previsión Social
2,Fundacion Vision Hugo Nano Foundation e Vision 2020 Latinamerica
3,National University of Asuncion Sciences Health Research Institute
4,Ludwig-Maximilians University Department of Ophthalmology
5,Fundacion Vision