@article{ref1,
title="Physiological effects of the amphetamines during exercise",
journal="South African medical journal SAMJ",
year="1971",
author="Wyndham, C. H. and Rogers, G. G. and Benade, A. J. and Strydom, N. B.",
volume="45",
number="10",
pages="247-252",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}