Tarek El-Mousleh, Pablo A Casalis, Ivonne Wollenberg, Maria L Zenclussen, Hans D Volk, Stefanie Langwisch, Federico Jensen and Ana C Zenclussen*
* Corresponding author: Ana C Zenclussen ana.zenclussen@med.ovgu.de
Medical Gas Research 2012, 2:4 doi:10.1186/2045-9912-2-4