GRABER, W. L. (2017). ORTHODONTICS current principles and techniques. Elsevier.
Lua i Stíl Chicago (17ú heag.)GRABER, W. Lee. ORTHODONTICS Current Principles and Techniques. Elsevier, 2017.
Lua MLA (9ú heag.)GRABER, W. Lee. ORTHODONTICS Current Principles and Techniques. Elsevier, 2017.
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