@article{ref1,
title="Study of maternal mortality",
journal="Journal of the Kentucky Medical Association",
year="1972",
author="",
volume="70",
number="6",
pages="440-440",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0023-0294",
doi="",
url="http://dx.doi.org/"
}