@article{ref1,
title="The youth state of health in secondary and post-secondary medical schools all over the country",
journal="Annales Universitatis Mariae Curie-Sklodowska. Sectio D: Medicina",
year="1991",
author="Swies, Z. and Borzecki, Zdzisław and Ziemińska, M. and Borzecki, A.",
volume="46",
number="",
pages="19-24",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0066-2240",
doi="",
url="http://dx.doi.org/"
}