@article{ref1,
title="Dental injuries in 11- to 13-year-old children",
journal="New Zealand dental journal",
year="1978",
author="York, A. H. and Hunter, R. M. and Morton, J. G. and Wells, G. M. and Newton, B. J.",
volume="74",
number="338",
pages="218-220",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-8047",
doi="",
url="http://dx.doi.org/"
}