@article{ref1,
title="Injuries resulting in fractures in the Seattle public schools during the school year 1969-70",
journal="Journal of school health",
year="1972",
author="Johnson, C. J. and Carter, A. P. and Harlin, V. K. and Zoller, G.",
volume="42",
number="8",
pages="454-457",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4391",
doi="",
url="http://dx.doi.org/"
}