You seem to be attempting to access an item that has been removed from the repository.
There is a later version of the item you are trying to access:
Nock, A., Slingsby, V., Thomas, P., Thomas, S., Baker, R. and Moffat, N., 2006. Managing Fatigue - A New Approach. In: MS Trust Annual Conference 2006: 10 Years of Making a Difference, 2-4 November 2006, Bournemouth, England.