Cristian Scutaru, David Quarcoo, Mohannad Sakr, Awfa Shami, Khaled Al-Mutawakel, Karin Vitzthum, Tanja C Fischer, Torsten Zuberbier, Beatrix Groneberg-Kloft
J Occup Med Toxicol. 2010; 5: 2. Published online 2010 February 16. doi: 10.1186/1745-6673-5-2