@article{ref1,
title="The psychomotor effects of atenolol and other antihypertensive agents",
journal="Postgraduate medical journal",
year="1977",
author="Clayton, Andrew Barham and Harvey, P. G. and Betts, T. A.",
volume="53",
number="Suppl 3",
pages="157-161",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-5473",
doi="",
url="http://dx.doi.org/"
}