Andersen K, Nørholt SE, Küseler A, Jensen J, Pedersen TK. Perioperative incidents associated with internal maxillary distraction osteogenesis: a retrospective study of 20 patients. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology. 2012;114(6):719-24. doi: 10.1016/j.oooo.2012.03.011