title: Difficulties in evaluating coronary artery lesions.
authors.affiliation: Francis A. Countway Library of Medicine, Harvard Medical School, Boston 02115.
authors.forename: M D
authors.initials: MD
authors.lastname: Altschule
mesh_terms: D000792:Angiography; D017023:Coronary Angiography; D003327:Coronary Disease / Q000175:diagnosis*; D004452:Echocardiography; D006801:Humans; D010496:Pericardium / Q000000981:diagnostic imaging