1. Blood ammonia levels, EEGs and states of consciousness in patients with liver disease;Abbott;Electroenceph. clin. Neurophysiol.,1956
2. The effect of acute hyperammonaemia on the EEG;Cohn;J. Lab. clin. Med.,1966
3. Estimation of plasma ammonia by ion exchange;Fenton;Clin. chim. Acta,1962
4. Automatic analysis of the electroencephalogram in hepatic disease;Hawkes,1970
5. EEG variation in healthy subjects;Hawkes;Electroenceph. clin. Neurophysiol.,1973