1. Invisalign A to Z;Wong;Am J Orthod Dentofacial Orthop,2002
2. The Invisalign system;Miller;Semin Orthod,2002
3. Lower incisor extraction treatment with the Invisalign system;Miller;J Clin Orthod,2002
4. Three-dimensional diagnosis and orthodontic treatment of complex malocclusions with the Invisalign appliance;Boyd;Semin Orthod,2001
5. Miethke RR (editor), Boyd R, Brachwitz J, John HD, Kuo E, Kuch A, et al. Sonderheft Invisalign. Kieferorthopadie 2001;15:3-58