@article{ref1,
title="An analysis of firearm injuries to the head and face in Belfast 1969-1977",
journal="British journal of oral and maxillofacial surgery",
year="1986",
author="Marshall, W. G.",
volume="24",
number="4",
pages="233-243",
abstract="Abstract unavailable.",
language="",
issn="0266-4356",
doi="",
url="http://dx.doi.org/"
}