title: A normal coronary angiogram: is it therapeutic?
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis; D000792:Angiography; D006328:Cardiac Catheterization; D017023:Coronary Angiography; D003327:Coronary Disease / Q000175:diagnosis / Q000628:therapy; D003365:Costs and Cost Analysis; D003937:Diagnosis, Differential; D005069:Evaluation Studies as Topic; D006760:Hospitalization / Q000191:economics; D006801:Humans; D008297:Male