@article{ref1,
title="Ingested foreign bodies in childhood",
journal="Annals of the Royal College of Surgeons of England",
year="1971",
author="Rickham, P. P.",
volume="48",
number="1",
pages="25-25",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-8843",
doi="",
url="http://dx.doi.org/"
}