@article{ref1,
title="Medicine in old age. Disturbances of the special senses and other functions",
journal="British medical journal: BMJ",
year="1974",
author="Nicholson, W. J.",
volume="1",
number="5896",
pages="33-35",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}