@article{ref1,
title="Physiologic responses to noxious head stimuli",
journal="Journal of psychosomatic research",
year="1968",
author="Masuda, M. and Dudley, D. L.",
volume="12",
number="3",
pages="205-214",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3999",
doi="",
url="http://dx.doi.org/"
}