The relationship between challenging behaviour and psychiatric disorder in people with severe developmental disabilities.

Emerson, Eric and Moss, Steve and Kiernan, Chris (1999) The relationship between challenging behaviour and psychiatric disorder in people with severe developmental disabilities. In: Psychiatric and behavioural disorders in developmental disabilities and mental retardation :. Cambridge University Press, Cambridge, U.K., New York, U.S.A., pp. 38-48. ISBN 0521643953