@article{ref1,
title="The predictive accuracy of prenatal and postpartum high risk identification",
journal="Canadian journal of public health",
year="1987",
author="Larson, C. P. and Collet, J. P. and Hanley, James A.",
volume="78",
number="3",
pages="188-192",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4263",
doi="",
url="http://dx.doi.org/"
}