@article{ref1,
title="Serious and fatal football injuries involving the head and spinal cord",
journal="JAMA journal of the American Medical Association",
year="1961",
author="Schneider, R. C. and Reifel, E. and Crisler, H. O. and Oosterbaan, B. G.",
volume="177",
number="",
pages="362-367",
abstract="<p>[Abstract unavailable]  Keywords: American football  </p> <p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}