@article{ref1,
title="Fallers and non-fallers",
journal="Age and ageing",
year="1990",
author="Campbell, A. John and Spears, G. F.",
volume="19",
number="5",
pages="345-346",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-0729",
doi="",
url="http://dx.doi.org/"
}