@article{ref1,
title="Study of morbidity compiled from ambulatory documents of 10,000 citizens from statistics of the German Insurance Institute, concerning LPG missed days and economic computations on LPG type 3",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1965",
author="Bartels, H.",
volume="59",
number="24",
pages="1324-1327",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}