@article {Stanke:12 January 1996:0378-4347:43, author = "Stanke F.", author = "Jourdil N.", author = "Bessard J.", author = "Bessard G.", title = "Simultaneous determination of zolpidem and zopiclone in human plasma by gas chromatography-nitrogen-phosphorus detection", journal = "Journal of Chromatography B: Biomedical Sciences and Applications", volume = "675", year = "12 January 1996", abstract = "", pages = "43-51(9)", url = "http://www.ingentaconnect.com/content/els/03784347/1996/00000675/00000001/art00311" doi = "doi:10.1016/0378-4347(95)00311-8" }