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3. Orthodontics in midcentury: transactions of a workshop of orthodontics at The University of Michigan;Moyers,1959
4. Evaluation of changes in facial skeleton, soft tissue profile and dental arch dimensions after posterior cross-bite correction by a quad-helix and a removable appliance;Boysen,1991
5. Data and patterns of transverse dentofacial morphology of 6- to 15-year-old children: a posteroanterior cephalometric study;Athanasiou;Am J Orthod Dentofac Orthop,1992