@article{ref1,
title="Attempted suicide and the menstrual cycle",
journal="Journal of psychosomatic research",
year="1968",
author="Tonks, C. M. and Rack, P. H. and Rose, M. J.",
volume="11",
number="4",
pages="319-323",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3999",
doi="",
url="http://dx.doi.org/"
}