Breath-Hold-Triggered BOLD fMRI in Drug-Resistant Nonlesional Focal Epilepsy—A Pilot Study - Christian M. Boßelmann; Josua Kegele; Leonie Zerweck; Uwe Klose; Silke Ethofer; Constantin Roder; Alexander M. Grimm; Till-Karsten Hauser (Clinical Neuroradiology, 2023)