@article{ref1,
title="Return-to-play decisions in the adolescent athlete: how to decide",
journal="Pediatric annals",
year="2007",
author="Smurawa, Troy and Congeni, Joseph",
volume="36",
number="11",
pages="746-8, 750",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-4481",
doi="",
url="http://dx.doi.org/"
}