Electrical excitability of the human motor cortex.  I.  The parameters of the electrical stimulus.
GLUSMAN
M
M
RANSOHOFF
J
J
POOL
J L
JL
GRUNDFEST
H
H
METTLER
F A
FA
D002540:Cerebral Cortex / Q000502:physiology*; D006801:Humans; D009044:Motor Cortex