title: Invited commentary.
authors.affiliation: University of Newcastle, Teaching and Research Unit, Gosford Hospital, Gosford, New South Wales 2250, Australia.
authors.forename: Val J
authors.initials: VJ
authors.lastname: Robertson
mesh_terms: D023381:Endpoint Determination; D006801:Humans; D012107:Research Design; D012189:Retrospective Studies; D016896:Treatment Outcome; D014464:Ultrasonic Therapy / Q000379:methods; D014945:Wound Healing; D014950:Wounds, Penetrating / Q000628:therapy*