title: Professionalization and credentialing.
authors.forename: Marvin L
authors.initials: ML
authors.lastname: Birnbaum
mesh_terms: D003406:Credentialing; D004190:Disasters; D004632:Emergency Medical Services; D006282:Health Personnel / Q000592:standards; D006801:Humans; D011361:Professional Competence; D014838:Volunteers; D014944:World Health Organization