@article{ref1,
title="Psychosis associated with the use of a sequential oral contraceptive",
journal="Lancet",
year="1967",
author="Daly, R. J. and Kane, F. J. Jr and Ewing, J. A.",
volume="2",
number="7513",
pages="444-445",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}