References
- Chapman, H. (1931) Abnormalities of position: Treatment. In: N. Bennett (ed.), 573–618, The Science and Practice of Dental Surgery, Waverley Book Company, London.
- Graber, T. M. and Neumann, M. D. (1984) Removable orthodontic appliances, 2nd edn, W.B. Saunders Company, Philadelphia.
- Robin, P. (1902) Observation sur un Nouvel Appareil de Redressement. Revue de Stomatologie, 9, 423–432.
- Stephens, C. D. and Lloyd, T. G. (1980) Changes in molar occlusion after extraction of all first premolars: a follow-up study of Class II Division 1 cases treated with removable appliances, British Journal of Orthodontics, 7, 139–144.