title: Appropriateness criteria for echocardiography: an important step toward improving quality.
authors.affiliation: Noninvasive Imaging Laboratories, Section of Cardiology, Department of Medicine, University of Chicago Hospitals, Chicago, IL 60637, USA. pward@medicine.bsd.uchicago.edu
authors.forename: R Parker
authors.initials: RP
authors.lastname: Ward
mesh_terms: D009202:Cardiomyopathies / Q000000981:diagnostic imaging* / Q000453:epidemiology*; D004452:Echocardiography / Q000592:standards* / Q000706:statistics & numerical data*; D006331:Heart Diseases / Q000000981:diagnostic imaging* / Q000453:epidemiology*; D006801:Humans; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D014600:Utilization Review