@article{ref1,
title="Epidemiology of osteoporosis",
journal="Bratislavské lekárske listy",
year="2000",
author="Masaryk, P.",
volume="101",
number="3",
pages="178-179",
abstract="<p>[Abstract unavailable]</p><p>Language: sk</p>",
language="sk",
issn="0006-9248",
doi="",
url="http://dx.doi.org/"
}