@article{ref1,
title="Foreign bodies in the frontal sinus",
journal="British journal of radiology",
year="1967",
author="Payne, R. F.",
volume="40",
number="478",
pages="778-780",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1285",
doi="",
url="http://dx.doi.org/"
}