@article{ref1,
title="Foreign bodies of gastrointestinal tract",
journal="Journal of the Medical Association of the State of Alabama",
year="1981",
author="Nagendran, T. and Nagendran, S.",
volume="51",
number="4",
pages="31-35",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7044",
doi="",
url="http://dx.doi.org/"
}