@article{ref1,
title="Personal factors in death under 50",
journal="New Zealand medical journal",
year="1978",
author="",
volume="88",
number="625",
pages="447-447",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-8446",
doi="",
url="http://dx.doi.org/"
}