title: Where we have been and the way forward.
authors.forename: John R
authors.initials: JR
authors.lastname: Lesser
mesh_terms: D017023:Coronary Angiography / Q000379:methods* / Q000639:trends*; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging*; D005544:Forecasting; D006801:Humans; D012955:Societies, Medical / Q000639:trends*; D014057:Tomography, X-Ray Computed / Q000379:methods* / Q000639:trends*; D014481:United States