Fast and robust registration of PET and MR images of human brain. - Jiri Cizek; Karl Herholz; Stefan Vollmar; Rainer Schrader; Johannes Klein; Wolf-Dieter Heiss (NeuroImage, 2004)

Device for simultaneous positron emission tomography, laser speckle imaging and RGB reflectometry: Validation and application to cortical spreading depression and brain ischemia in rats. - Markus Gramer; Delphine Feuerstein; André Steimers; Masatoshi Takagaki; Tetsuya Kumagai; Michael Sué; Stefan Vollmar; Matthias Kohl-Bareis; Heiko Backes; Rudolf Graf (NeuroImage, 2014)