title: [Fundamentals of extraoral traction according to Ricketts].
authors.forename: J D
authors.initials: JD
authors.lastname: Delgado
mesh_terms: D002508:Cephalometry; D005115:Extraoral Traction Appliances; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009968:Orthodontic Appliances, Removable
vernacular_title: Fundamentos de la tracción extraoral según Ricketts.