@article{ref1,
title="Positional vertigo in a falls service",
journal="Age and ageing",
year="2008",
author="Lawson, Joanne and Bamiou, Doris-Eva and Cohen, Helen S. and Newton, J.",
volume="37",
number="5",
pages="585-588",
abstract="<p>Language: en</p>",
language="en",
issn="0002-0729",
doi="10.1093/ageing/afn151",
url="http://dx.doi.org/10.1093/ageing/afn151"
}