title: Coronary angiography in patients with established coronary artery disease: how much does the angiogram help in assessing changes in symptoms?
authors.forename: L W
authors.initials: LW
authors.lastname: Klein
authors.forename: P R
authors.initials: PR
authors.lastname: Liebson
mesh_terms: D017023:Coronary Angiography / Q000706:statistics & numerical data*; D003327:Coronary Disease / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D015203:Reproducibility of Results