@article{ref1,
title="The biological effects of air ions",
journal="International journal of biometeorology",
year="1985",
author="Krueger, A. P.",
volume="29",
number="3",
pages="205-206",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-7128",
doi="",
url="http://dx.doi.org/"
}