title: [The effect of cervical headgear. A clinical on facial skeleton study].
mesh_terms: D005115:Extraoral Traction Appliances; D006801:Humans; D009968:Orthodontic Appliances, Removable; D012886:Skull / Q000254:growth & development*
vernacular_title: Die Wirkung des zervikalen Headgears auf das Fazialskelett. Eine Klinische Studie.