@article{ref1,
title="Old and thin: a response",
journal="Second opinion",
year="1990",
author="Green, Ronald M.",
volume="15",
number="",
pages="34-39",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0890-1570",
doi="",
url="http://dx.doi.org/"
}