title: Crown years for noninvasive cardiovascular imaging (part I): 60 years of echocardiography.
authors: Interuniversity Cardiology Institute of the Netherlands (ICIN) - Netherlands Heart Institute (NHI), Catherijnesingel 52, 3501, DG, Utrecht, the Netherlands, e.e.van_der_wall@lumc.nl.
authors: E E
authors: EE
authors: van der Wall