@article{ref1,
title="Self-help for health in our environment",
journal="Medical journal of Australia",
year="1972",
author="Hetzel, B. S.",
volume="2",
number="20",
pages="1135-1140",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}