1. Clincial implications of the temporomandibular joint;Ricketts;Am J Orthod,1966
2. Facial growth and the significance of oral habits, mouth breathing and soft tissues for malocclusion: a study on children around the age of 10;Backlund;Acta Odontol Scand,1963
3. Experiments on development of dental malocclusion;Harvold;Am J Orthod,1972
4. Consideration of airway in orthodontics;Schulhof;J Clin Orthod,1978