@article{ref1,
title="Problems in matching competitors. Adolescence, athletics and competitive sports",
journal="Clinical pediatrics",
year="1969",
author="Gallagher, J. R.",
volume="8",
number="8",
pages="434-436",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9228",
doi="",
url="http://dx.doi.org/"
}