@article{ref1,
title="Manic-depressive illness: a comparative study of patients with and without a family history",
journal="British journal of psychiatry",
year="1972",
author="Mendlewicz, J. and Fieve, R. R. and Rainer, J. D. and Fleiss, J. L.",
volume="120",
number="558",
pages="523-530",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}