Practice guidelines for cardiovascular disease: a need to expand the evidence base.
George A
GA
Beller
D002309:Cardiology / Q000592:standards*; D002318:Cardiovascular Diseases / Q000000981:diagnostic imaging*; D019317:Evidence-Based Medicine; D006801:Humans; D009683:Nuclear Medicine / Q000592:standards*; D017410:Practice Guidelines as Topic; D011877:Radionuclide Imaging / Q000592:standards*; D014481:United States