@article{ref1,
title="The problems of becoming a teenager",
journal="Annals of emergency medicine",
year="1980",
author="Walt, A. J.",
volume="9",
number="1",
pages="39-42",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}