Real-Time Ultrasound Elastography in Multiple Sclerosis Spasticity: Comparison with Clinical and Neurophysiological Measures. - Bakola, Eleni; Papadopoulou, Marianna; Stefanou, Maria-Ioanna; Chasiotis, Athanasios K.; Fanouraki, Stella; Sterpi, Angeliki-Erato; Kitsos, Dimitrios; Tsivgoulis, Georgios (Journal of Clinical Medicine, 2026)