@article{ref1,
title="Zopiclone-associated methemoglobinemia and renal impairment",
journal="Clinical toxicology (Philadelphia, Pa.)",
year="2008",
author="Kung, Shu Wing and Tse, Man Li and Chan, Yiu Cheung and Lau, Fei Lung and Tsui, Sik Hon and Tam, Sidney and Siu, Tak Shing",
volume="46",
number="10",
pages="1099-1100",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1556-3650",
doi="10.1080/15563650802382175",
url="http://dx.doi.org/10.1080/15563650802382175"
}