Ultrasound Perfusion Imaging of Small Stroke Involving the Thalamus - Nolte, C. H.; Gruss, J.; Steinbrink, J.; Jungehulsing, G. J.; Brunecker, P.; Hopt, A. M.; Schreiber, S. J. (Ultraschall in der Medizin - European Journal of Ultrasound, 2009)