@article{ref1,
title="If all sin, no one sins",
journal="Psychiatric quarterly",
year="1968",
author="Piotrowski, Z. A.",
volume="42",
number="4",
pages="771-778",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2720",
doi="",
url="http://dx.doi.org/"
}