@article{ref1,
title="Drug abuse as a cause of chronic renal disease",
journal="Nordisk Medicin",
year="1959",
author="Harvald, B.",
volume="62",
number="",
pages="1752-1754",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0029-1420",
doi="",
url="http://dx.doi.org/"
}