title: Open access echocardiography - guide or expense factor?
authors.forename: Klaus
authors.initials: K
authors.lastname: Tiemann
mesh_terms: D003937:Diagnosis, Differential; D004417:Dyspnea; D004452:Echocardiography; D005194:Family Practice; D006333:Heart Failure / Q000000981:diagnostic imaging*; D006337:Heart Murmurs / Q000000981:diagnostic imaging*; D006801:Humans; D009426:Netherlands; D006113:United Kingdom