@article{ref1,
title="Preventing osteoporosis, falls, and fractures among elderly people. Few exercise programmes studied have prevented falls",
journal="British medical journal: BMJ",
year="1999",
author="Feder, G. and Carter, Y. and Donovan, S. and Cryer, C.",
volume="318",
number="7199",
pages="1695; author reply 1695-6",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}