@article{ref1,
title="Hospital patients and their length of stay. From the hospital statistics, 1972",
journal="Fortschritte der Medizin",
year="1974",
author="Christian, W.",
volume="92",
number="27",
pages="1049-1050",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0015-8178",
doi="",
url="http://dx.doi.org/"
}