title: Advanced cardiac sonographer: a reality at last.
authors.forename: Matt
authors.initials: M
authors.lastname: Umland
mesh_terms: D035843:Biomedical Research; D002309:Cardiology / Q000379:methods*; D004452:Echocardiography / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans; D014481:United States