@article{ref1,
title="Hazards of the menstrual cycle",
journal="British medical journal: BMJ",
year="1956",
author="MacKinnon, P. C. B. and MacKinnon, I. L.",
volume="1",
number="4966",
pages="e555-e555",
abstract="KEYWORDS: SuicideFull text: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1979024/pdf/brmedj03197-0024.pdf<p />",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}