@article{ref1,
title="Seeing is believing",
journal="British medical journal: BMJ",
year="1993",
author="Baillie, J. and Branch, M. S.",
volume="307",
number="6905",
pages="684-685",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="10.1136/bmj.307.6905.684-c",
url="http://dx.doi.org/10.1136/bmj.307.6905.684-c"
}