Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Hedel, Hubertus J A; Murer, Christian; Dietz, Volker; Curt, Armin (2007). The amplitude of lower leg motor evoked potentials is a reliable measure when controlled for torque and motor task. Journal of Neurology, 254(8):1089-1098.