@article{ref1,
title="Disease prevention or health promotion",
journal="Journal of the Royal College of General Practitioners",
year="1971",
author="Earle, J. V.",
volume="21",
number="106",
pages="253-266",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-8797",
doi="",
url="http://dx.doi.org/"
}