Epidemiology of some neurological diseases with special reference to work load on the NHS
Impairment, disability, and the ICIDH (International Classification of Impairments, Disabilities, and Handicaps) model. I: The relationship between impairment and disability
Impairment, disability, and the ICIDH (International Classification of Impairments, Disabilities, and Handicaps) model. II: The nature of the underlying condition and patterns of impairment