@article{ref1,
title="To protect vision and avoid blindness",
journal="Jornal da Sociedade das Ciências Médicas de Lisboa",
year="1963",
author="Saraiva, J.",
volume="42",
number="",
pages="SUPPL 1:183-93",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="0304-4769",
doi="",
url="http://dx.doi.org/"
}