@inproceedings{inproceedings5704b23f,
title   = {Brazilian large scale acuity card study: 1. The normative study},
author = {Salomao, S R and Ventura, Dora Selma Fix},
year = {1993},
publisher = {Ip-Usp},
booktitle   = {Congresso Interno do Ip-Usp}
}