Three Cases of Stroke in Patients with Atypical Presentation of Type A Aortic Dissection – Potential of Neurosonography in the Early Diagnosis of Atypical Stroke - Seliger, C.; Turmanidze, N.; Schmid, E.; Wiethölter, H.; Boy, S.; Bogdahn, U.; Kaiser, B.; Schlachetzki, F. (Ultraschall in der Medizin - European Journal of Ultrasound, 2011)