1. Communication and cognition in normal aging and dementia;Bayles,1987
2. Neuropsychology of Aging;Botwinick,1981
3. Slips of the tongue in the London-Lund corpus of spontaneous conversations;Garnham,1982
4. The assessment of aphasia and related disorders;Goodglass,1972
5. ‘Frontal’ cognitive function in patients with Parkinson's disease ‘on’ and ‘off’ levodopa;Gotham;Brain,1988