title: The male is more dangerous than the female.
authors.forename: D J
authors.initials: DJ
authors.lastname: Spary
mesh_terms: D005115:Extraoral Traction Appliances / Q000009:adverse effects*; D005151:Facial Injuries / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D016382:Orthodontic Appliance Design