1. Transistorized R.F.-coupling unit for biological stimulators;Adams;J. Physiol. (Lond.),1962
2. An isolated constant-current stimulator for use with man;Allison;J. appl. Physiol.,1967
3. A versatile current-regulated bidirectional stimulator;Cacgiano;IEEE Trans. bio-med. Engng.,1965
4. A low capacitance, low-output impedance, stimulus coupler;Dawson;J. Physiol. (Lond.),1960
5. Transistor switch stimulus isolator;Fein;Rev. Sci. Instrum.,1960