Case Report: Absent F-Waves in a Case of Spinal Ischemia – A Potential Source of Diagnostic Error. - Boudriot, Elisabeth T.A.; Mastall, Maximilian; Nierobisch, Nathalie; Kulcsar, Zsolt; Beuttler, Amrei; Weller, Michael; Jung, Hans H.; Velicky Buecheler, Matus (Case Reports in Neurology, 2026)