@article{ref1,
title="Dental injuries in Seattle's public school children; school year 1969-70",
journal="Journal of public health dentistry",
year="1972",
author="Carter, A. P. and Zoller, G. and Harlin, V. K. and Johnson, C. J.",
volume="32",
number="4",
pages="251-254",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4006",
doi="",
url="http://dx.doi.org/"
}