@article{ref1,
title="Circannual variation of human mortality in Texas",
journal="Progress in clinical and biological research",
year="1990",
author="Frankoff, H. M.",
volume="341A",
number="",
pages="797-803",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0361-7742",
doi="",
url="http://dx.doi.org/"
}