Effect of coronary collaterals on left ventricular function at rest and during stress.
D000328:Adult; D003097:Collateral Circulation; D017023:Coronary Angiography; D003326:Coronary Circulation; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009200:Myocardial Contraction; D012146:Rest; D013312:Stress, Physiological / Q000503:physiopathology