@article{ref1,
title="Psychiatric disorders of pregnancy",
journal="Journal of psychosomatic research",
year="1968",
author="Sim, M.",
volume="12",
number="1",
pages="95-100",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3999",
doi="",
url="http://dx.doi.org/"
}