REFERENCES
- RUFF, R. M. and GRANT, I.: Postconcussiona1 Disorder: Background to DSM-IV and future considerations. In: N. R. Varney and R. J. Roberts (editors) Mild Head Injury: Causes, Evaluation and Treatment (Mahweh, New Jersey: L. Erlbaum Associates), Chapter 14, pp. 315–325, 1999.