1. The TMJ pain-dysfunction syndrome: Heterogeneity of the patient population;Greene;J Am Dent Assoc,1969
2. The symptomology of temporomandibular joint disturbances;Perry;J Prosthet Dent,1968
3. Symptoms of functional disturbances of the masticatory system;Agerberg;Acta Odont Scand,1975
4. Studies on function and dysfunction of the masticatory system, II. Index for anamnestic and clinical dysfunction and occlusal state;Helkimo;Swed Dent J,1974
5. Prevalence of symptoms of functional disturbances of the masticatory system in Swedish men;Ingervall;J Oral Rehabil,1980