title: Appropriate use criteria another step forward but still a ways to go.
authors.forename: Todd D
authors.initials: TD
authors.lastname: Miller
authors.forename: J Wells
authors.initials: JW
authors.lastname: Askew
mesh_terms: D003324:Coronary Artery Disease / Q000000981:diagnostic imaging*; D019983:Guideline Adherence / Q000706:statistics & numerical data; D006801:Humans; D055414:Myocardial Perfusion Imaging / Q000706:statistics & numerical data*; D018579:Patient Selection; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians'; D015203:Reproducibility of Results; D015899:Tomography, Emission-Computed, Single-Photon / Q000706:statistics & numerical data*