@article{ref1,
title="Patterns of affective fluctuation in the menstrual cycle",
journal="Psychosomatic medicine",
year="1968",
author="Ivey, M. E. and Bardwick, J. M.",
volume="30",
number="3",
pages="336-345",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-3174",
doi="",
url="http://dx.doi.org/"
}