@article {Reepmeyer:18 December 1998:0021-9673:239, author = "Reepmeyer J.C.", author = "Revelle L.K.", author = "Vidavsky I.", title = "Detection of clobetasol propionate as an undeclared steroid in zinc pyrithione formulations by high-performance liquid chromatography with rapid-scanning ultraviolet spectroscopy and mass spectrometry", journal = "Journal of Chromatography A", volume = "828", year = "18 December 1998", abstract = "", pages = "239-246(8)", url = "http://www.ingentaconnect.com/content/els/00219673/1998/00000828/00000001/art00786" doi = "doi:10.1016/S0021-9673(98)00786-9" }