@article{ref1,
title="Trichobezoar in a 7-year-old girl",
journal="Ugeskrift for Laeger",
year="1980",
author="Helkjaer, P. E.",
volume="142",
number="20",
pages="1285-1286",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}