@article{ref1,
title="Prevalence and causes of blindness in Greenland",
journal="Arctic medical research",
year="1987",
author="Rosenberg, T.",
volume="46",
number="1",
pages="13-17",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0782-226X",
doi="",
url="http://dx.doi.org/"
}