title: American Society of Echocardiography minimum standards for the cardiac sonographer: a position paper.
authors.forename: S Michelle
authors.initials: SM
authors.lastname: Bierig
authors.forename: Donna
authors.initials: D
authors.lastname: Ehler
authors.forename: Margaret L
authors.initials: ML
authors.lastname: Knoll
authors.forename: Alan D
authors.initials: AD
authors.lastname: Waggoner
mesh_terms: D003406:Credentialing / Q000592:standards*; D004452:Echocardiography / Q000592:standards*; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians' / Q000592:standards*; D011361:Professional Competence; D011785:Quality Assurance, Health Care / Q000592:standards*; D012955:Societies, Medical / Q000592:standards*; D014481:United States