@article{ref1,
title="Straight pin ingestion in an American Indian boarding school",
journal="Maryland state medical journal",
year="1968",
author="Sparger, C. F.",
volume="17",
number="11",
pages="43-47",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-4363",
doi="",
url="http://dx.doi.org/"
}