J. Furevik

Evaluation of treatment and post-treatment changes by the PAR Index.

P. Wisth, K Birkeland, J Furevik, 1997, European journal of orthodontics.

Identification of high caries risk children using prevalence of filled surfaces as predictor variable for incidence.

J. Rise, O. Haugejorden, J. Birkeland, 1979, Community dentistry and oral epidemiology.