@article{ref1,
title="Youth in turmoil",
journal="Transactions and studies of the College of Physicians of Philadelphia",
year="1972",
author="Bettelheim, B.",
volume="39",
number="4",
pages="179-187",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0010-1087",
doi="",
url="http://dx.doi.org/"
}