@article{ref1,
title="Chewing-gum in the bronchi",
journal="British medical journal: BMJ",
year="1960",
author="Stallybrass, F. C. and Child, R. M.",
volume="1",
number="5179",
pages="1113-1113",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}