Julia-Annik Börger , Niko Neye , Cristian Scutaru , Carolin Kreiter , Clemens Puk , Tanja C Fischer* and Beatrix Groneberg-Kloft*
Journal of Occupational Medicine and Toxicology 2008, 3(Suppl 1):S7doi:10.1186/1745-6673-3-S1-S7