@article{ref1,
title="Potion or poison? Echinacea",
journal="Journal of primary health care",
year="2018",
author="Walsh, Patrick",
volume="10",
number="3",
pages="280-281",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1172-6164",
doi="10.1071/HC15937",
url="http://dx.doi.org/10.1071/HC15937"
}