@article{ref1,
title="Compulsory insurance against sickness, death, accidents, and old age",
journal="Public health reports (1974)",
year="1902",
author="",
volume="17",
number="50",
pages="2819-2820",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}