@article{ref1,
title="Avulsion of the upper ureter secondary to blunt trauma",
journal="British journal of urology",
year="1967",
author="Halverstadt, D. B. and Fraley, E. E.",
volume="39",
number="5",
pages="588-593",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1331",
doi="",
url="http://dx.doi.org/"
}