@article{ref1,
title="Muscle injuries in sport",
journal="South African medical journal SAMJ",
year="1979",
author="Schweitzer, G.",
volume="56",
number="8",
pages="289-289",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}