@article{ref1,
title="Changes in ECG contour during prolonged +Gz acceleration",
journal="Aerospace medicine",
year="1969",
author="Cohen, G. H. and Brown, W. K.",
volume="40",
number="8",
pages="874-879",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}