@article{ref1,
title="Paired exchange programmes can expand the live kidney donor pool",
journal="British journal of surgery",
year="2007",
author="Mahendran, A. O. and Veitch, P. S.",
volume="94",
number="6",
pages="657-664",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0007-1323",
doi="10.1002/bjs.5818",
url="http://dx.doi.org/10.1002/bjs.5818"
}