@article{ref1,
title="The challenge of health education today",
journal="Public health",
year="1975",
author="MacQueen, I. A.",
volume="89",
number="3",
pages="93-96",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-3506",
doi="",
url="http://dx.doi.org/"
}