Nittner K, Scholl H
Appl Neurophysiol. 1978;41(1-4):142-5. doi: 10.1159/000102410.
An electronic apparatus was developed which measures the effective current flow of the monophasic stimulation pulses while the tip of the electrode is passing through the tissue. This current flow can be observed as a function of time on the screen of a cathode ray tube.
