@article{ref1,
title="Crackpacking: a new radiographic diagnosis",
journal="Annals of emergency medicine",
year="1989",
author="Roberts, J. R. and Wason, S. and Merigian, K. S.",
volume="18",
number="7",
pages="800-801",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}