@article{ref1,
title="Evaluation of physical health of 14-year-old students attending primary schools in Lublin",
journal="Annales Universitatis Mariae Curie-Sklodowska. Sectio D: Medicina",
year="1999",
author="Rudnicka-Drozak, E. and Chemperek, E. and Gajewska, M.",
volume="54",
number="",
pages="357-363",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0066-2240",
doi="",
url="http://dx.doi.org/"
}