@article{ref1,
title="Medical problems of young soccer players",
journal="Medical journal of Malaysia",
year="1974",
author="Leng, C. O.",
volume="28",
number="3",
pages="160-164",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-5283",
doi="",
url="http://dx.doi.org/"
}