@article{ref1,
title="Injuries of the ureter due to external violence",
journal="Journal of urology",
year="1969",
author="Walker, J. A.",
volume="102",
number="4",
pages="410-413",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5347",
doi="",
url="http://dx.doi.org/"
}