@article{ref1,
title="BMX bicycle injuries in hemophiliacs",
journal="American journal of diseases of children (1960)",
year="1987",
author="Perry, D. J. and MacWhannell, A. and Gregory, M.",
volume="141",
number="12",
pages="1249-1249",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-922X",
doi="",
url="http://dx.doi.org/"
}