@article{ref1,
title="Hazards of aging",
journal="Alabama medicine : journal of the Medical Association of the State of Alabama",
year="1990",
author="Silvernail, W. I. Jr",
volume="60",
number="4",
pages="20-21",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0738-4947",
doi="",
url="http://dx.doi.org/"
}