| http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11681540&dopt=Abstract |
| Psychol Med 2001 Oct;31(7):1141-6 |
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McNamara B, Ray JL, Arthurs OJ, Boniface S. Department of Clinical Neurophysiology, Addenbrooke's Hospital, Cambridge. |