1. A comparative study of two techniques for recording centric relation;Hellsing;Dentomaxillofac Radiol,1983
2. Repeatability of the mandibular retruded position;Hellsing;J Oral Rehabil,1985
3. Development of anterior disk displacement in the temporomandibular joint: an autopsy study;Hellsing;J Prosthet Dent,1985
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. Evaluation, diagnosis, and treatment of occlusal problems;Dawson,1974