B-Mode Ultrasound and Contrast-Enhanced Ultrasound Pattern of Focal Extramedullary Hematopoiesis of the Spleen in a Patient with Myeloproliferative Disease - Huynh, M. Q.; Barth, P.; Sohlbach, K.; Neubauer, A.; Görg, C. (Ultraschall in der Medizin - European Journal of Ultrasound, 2009)