P. Brook

The development of an index of orthodontic treatment priority.

P. Brook, W. Shaw, 1989, European journal of orthodontics.

Quality control in orthodontics: risk/benefit considerations

S. Richmond, P. Brook, W. Shaw, 1991, British Dental Journal.

Quality control in orthodontics: indices of treatment need and treatment standards

S. Richmond, C. Stephens, P. Brook, 1991, British Dental Journal.