title: Implications of nuclear cardiology as a gatekeeper.
authors.forename: B L
authors.initials: BL
authors.lastname: Zaret
mesh_terms: D017023:Coronary Angiography; D005080:Exercise Test; D006331:Heart Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D011877:Radionuclide Imaging; D012017:Referral and Consultation