@article{ref1,
title="Driving licences for patients with cardiac pacemakers",
journal="British heart journal",
year="1972",
author="Sowton, E.",
volume="34",
number="10",
pages="977-980",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0769",
doi="",
url="http://dx.doi.org/"
}