@article{ref1,
title="An Attempt to Determine with Precision Such Injuries of the Head as Necessarily require the Operation of the Trephine",
journal="Transactions of the Royal Irish Academy",
year="1790",
author="O'Halloran, Sylvester",
volume="4",
number="",
pages="151-169",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0790-8113",
doi="",
url="http://dx.doi.org/"
}