@article{ref1,
title="A 16-year-old with abdominal pain",
journal="Journal of emergency nursing",
year="2000",
author="Smith, M. F. and Nugent-Brennan, K.",
volume="26",
number="3",
pages="272-275",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0099-1767",
doi="",
url="http://dx.doi.org/"
}