@article{ref1,
title="Observations upon Injuries of the Head",
journal="Provincial medical and surgical journal (1844)",
year="1849",
author="Travers, Benjamin",
volume="13",
number="24",
pages="645-649",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="2041-997X",
doi="",
url="http://dx.doi.org/"
}