@article{ref1,
title="SO2 levels and perturbations in mortality. A study in the New York-New Jersey metropolis",
journal="Archives of environmental health",
year="1973",
author="Buechley, R. W. and Riggan, W. B. and Hasselblad, V. and VanBruggen, J. B.",
volume="27",
number="3",
pages="134-137",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9896",
doi="",
url="http://dx.doi.org/"
}