@article{ref1,
title="A psychological approach to the treatment of migraine",
journal="British journal of psychiatry",
year="1971",
author="Mitchell, K. R.",
volume="119",
number="552",
pages="533-534",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}