@article{ref1,
title="[How to deal with missing data?]",
journal="Psychotherapie, Psychosomatik, medizinische Psychologie",
year="2010",
author="Rabung, Sven",
volume="60",
number="12",
pages="485-486",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0937-2032",
doi="10.1055/s-0030-1248610",
url="http://dx.doi.org/10.1055/s-0030-1248610"
}