@article{ref1,
title="Discipline",
journal="Transactions and studies of the College of Physicians of Philadelphia",
year="1972",
author="Redl, F.",
volume="40",
number="1",
pages="14-21",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0010-1087",
doi="",
url="http://dx.doi.org/"
}