1. Studies on function and dysfunction of the masticatory system. I. An epidemiologic investigation of symptoms of dysfunction in Lapps in the north of Finland;Helkimo,1974
2. Studies on function and dysfunction of the masticatory system. III. Analyses of anamnestic and clinical recordings of dysfunction with the aid of indices;Helkimo;Swed Dent J,1974
3. Epidemiological surveys of dysfunctions of the masticatory system;Helkimo;Oral Sci Rev,1976
4. Frequency and distribution of myofascial pain-dysfunction syndrome in a population of 25 year olds;Heloe;Community Dent Oral Epidemiol,1979
5. Subjective evaluation of functional disturbances of the masticatory system in young Swedish men;Ingervall;Community Dent Oral Epidemiol,1974