Evaluation of combined use of transcranial and direct cortical motor evoked potential monitoring during unruptured aneurysm surgery. Categories: Neurophysiologic Monitoring - Intracranial Author: Abe R, Hayashi H, Hironaka Y, Kawaguchi M, Motoyama Y, Nakagawa I, Nakase H, Nishimura F, Park YS, Yamada S