@article{ref1,
title="Adulterants of herbal products can cause poisoning",
journal="British medical journal: BMJ",
year="1996",
author="But, P. P. and Tomlinson, B. and Cheung, K. O. and Yong, S. P. and Szeto, M. L. and Lee, Chi-Kang",
volume="313",
number="7049",
pages="117-117",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}