@article{ref1,
title="Twenty-one more auto crashes with seat belts",
journal="Rocky Mountain medical journal",
year="1956",
author="Campbell, H. E.",
volume="53",
number="4",
pages="380-383",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-760X",
doi="",
url="http://dx.doi.org/"
}