@article{ref1,
title="The causes of neonatal mortality: an analysis of 501 autopsies on newborn infants",
journal="Journal of pediatrics",
year="1970",
author="Valdes-Dapena, M. A. and Arey, J. B.",
volume="77",
number="3",
pages="366-375",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3476",
doi="",
url="http://dx.doi.org/"
}