@article{ref1,
title="Injuries to the adolescent athlete",
journal="Postgraduate medicine",
year="1971",
author="Collins, H. R. and Evarts, C. M.",
volume="49",
number="3",
pages="72-78",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-5481",
doi="",
url="http://dx.doi.org/"
}