Matulevicius, Susan2014-04-092014-04-092014-04-11https://hdl.handle.net/2152.5/1401Detailed formal protocol with illustrations and extensive bibliography.enGrand RoundsTeaching RoundsDiagnostic Techniques and ProceduresEchocardiographyHealth Care CostsQuality of Health CareA test without risk and variable benefit: the story of the unsustainable growth of echocardiographyA test without risk but variable benefit: the story of unsustainable growth of echocardiographyOther871658