@article{ref1,
title="Head banging in young children",
journal="Practitioner",
year="1979",
author="Dawson-Butterworth, K.",
volume="222",
number="1331",
pages="676-679",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}