title: Credentialing of the cardiac sonographer: the need for unification.
authors.affiliation: Duke University Medical Center, Durham, NC 27710.
authors.forename: D
authors.initials: D
authors.lastname: Adams
authors.forename: K B
authors.initials: KB
authors.lastname: Kisslo
authors.forename: J
authors.initials: J
authors.lastname: Kisslo
mesh_terms: D000574:American Medical Association; D003406:Credentialing; D004452:Echocardiography / Q000592:standards; D004493:Education; D006801:Humans; D012952:Societies; D014481:United States