@article{ref1,
title="A binding "trip"",
journal="British medical journal: BMJ",
year="1972",
author="Elkington, A. and Glasspool, M. G. and Collin, J. R.",
volume="2",
number="5816",
pages="766-766",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}