@article{ref1,
title="Physical loading, exercise, and bone",
journal="Bone",
year="1996",
author="Kannus, Pekka and Sievanen, H. and Vuori, I.",
volume="18",
number="1 Suppl",
pages="1S-3S",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="8756-3282",
doi="",
url="http://dx.doi.org/"
}