@article{ref1,
title="The biomedical aspects of space flight",
journal="Clinical neurosurgery",
year="1958",
author="Hetherington, A. W.",
volume="6",
number="",
pages="253-270",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0069-4827",
doi="",
url="http://dx.doi.org/"
}