@article{ref1,
title="The effect of changes in the environment on the health of the community--an epidemiologist's view",
journal="Journal of the Royal College of General Practitioners",
year="1975",
author="Doll, Richard",
volume="25",
number="154",
pages="326-334",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-8797",
doi="",
url="http://dx.doi.org/"
}