@article{ref1,
title="Menstruation and Crime",
journal="British medical journal: BMJ",
year="1961",
author="Dalton, K.",
volume="2",
number="",
pages="1752-1753",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}