@article{ref1,
title="Socio-medical health screening",
journal="Acta socio-medica Scandinavica",
year="1969",
author="Bygren, L. O.",
volume="1",
number="3",
pages="183-198",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0044-6041",
doi="",
url="http://dx.doi.org/"
}