Angiographic demonstration of collaterals to the coronary arteries in patients with angina pectoris.
D000787:Angina Pectoris / Q000000981:diagnostic imaging*; D000790:Angiocardiography; D003097:Collateral Circulation; D017023:Coronary Angiography; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000503:physiopathology; D006801:Humans