@article{ref1,
title="Safety of herbal medicines",
journal="World health forum",
year="1990",
author="Davies, I. I. and Haq, I.",
volume="11",
number="1",
pages="88-87",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0251-2432",
doi="",
url="http://dx.doi.org/"
}