@article{ref1,
title="Lumbar disk lesions: Illustration of slowly occurring injury",
journal="American journal of epidemiology",
year="1975",
author="Haddon, William",
volume="102",
number="5",
pages="357-357",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0002-9262",
doi="",
url="http://dx.doi.org/"
}