@article{ref1,
title="Causes of unilateral and bilateral blindness (author's transl)",
journal="Klinika Oczna",
year="1981",
author="Zeydler-Grzedzielewska, L. and Szusterowska-Martinowa, E.",
volume="83",
number="7-8",
pages="331-332",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0023-2157",
doi="",
url="http://dx.doi.org/"
}