Olsen JJ, Skov J, Ingerslev J, Thorn JJ, Pinholt EM. Prevention of Bleeding in Orthognathic Surgery–A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons. 2016 jan.;74(1):139-50. doi: 10.1016/j.joms.2015.05.031