title: One-phase versus 2-phase treatment.
authors.forename: John L
authors.initials: JL
authors.lastname: Hayes
mesh_terms: D002508:Cephalometry / Q000379:methods*; D006801:Humans; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D009971:Orthodontics, Corrective / Q000379:methods*