@article{ref1,
title="Motivation problems in social medicine",
journal="Acta socio-medica Scandinavica",
year="1969",
author="Gogstad, A. C.",
volume="1",
number="3",
pages="139-143",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0044-6041",
doi="",
url="http://dx.doi.org/"
}