Timms, D J Treatment of collapse in cleft palates by rapid expansion and bone grafting. [electronic resource] - Transactions. European Orthodontic Society 1974 - 119-21 p. digital Publication Type: Journal Article Subjects--Topical Terms: Activator AppliancesBone TransplantationCleft Palate--complicationsHumansOrthodontic Appliances, RemovableOrthodontics, Corrective