Letters to the Editor

Mathiowetz V Haugen JB (1995a) Authors' response (to NDT Theory has been updated). American Journal of Occupational Therapy, 49, 176.

Mathiowetz V Haugen JB (1995b) Evaluation of motor behaviour: traditional and contemporary views. In: Trombly CA , ed. Occupational therapy for physical dysfunction. 4th ed. Baltimore: Williams and Wilkins.

Thelen E Ulrich BO (1991) Hidden skills: a dynamic systems analysis of treadmill stepping during the first year. Monographs of the Society for Research in Child Development, 565 (1, Serial No. 223).

Togtia JP (1992) A dynamic interactional approach to cognitive rehabilitation. In: Katz N , ed. Cognitive rehabilitation: models for intervention in occupational therapy. Boston: Andover Medical Publishers, 113.

O'Hara P (1996) Pain management for health professionals. London: Chapman and Hall.

Strong J (1996) Chronic pain: the occupational therapist's perspective. Edinburgh: Churchill Livingstone.

Turk D Melzack R (1992) Handbook of pain assessment. London: Guilford Press.

de C Williams A C (1995) Pain measurement in chronic pain management. Pain Review, 2, 39–63.

de C Williams A C Richardson PH Nicholas MK Pither CG Harding VR Ridout KL Ralphs JA Richardson IH Justins DM Camberlain JH (1996) Inpatient vs outpatient pain management: results of a randomised controlled trial. Pain, 66, 13–22.