title: It is credible.
authors.forename: Rick
authors.initials: R
authors.lastname: Rigling
mesh_terms: D002983:Clinical Competence; D003406:Credentialing; D004452:Echocardiography / Q000592:standards*; D004503:Education, Medical, Graduate; D006801:Humans; D012955:Societies, Medical; D014481:United States