title: Ultrasound credentialling: reply.
authors.forename: Adrian
authors.initials: A
authors.lastname: Goudie
mesh_terms: D002983:Clinical Competence; D003406:Credentialing; D004635:Emergency Medicine / Q000193:education* / Q000592:standards; D004636:Emergency Service, Hospital / Q000592:standards*; D006801:Humans; D014463:Ultrasonography / Q000592:standards*