title: Blood loss in orthognathic procedures--is there an indication to cross match?
authors.forename: Mohamed Sadaf
authors.initials: MS
authors.lastname: Khan
mesh_terms: D001788:Blood Grouping and Crossmatching / Q000706:statistics & numerical data; D016063:Blood Loss, Surgical / Q000517:prevention & control*; D001803:Blood Transfusion / Q000706:statistics & numerical data; D019230:Dental Audit; D004739:England; D006801:Humans; D008334:Mandible / Q000601:surgery*; D008437:Maxilla / Q000601:surgery*; D010027:Osteotomy / Q000379:methods*; D012189:Retrospective Studies