title: Contrast echocardiography and coronary collateral flow.
authors: G S
authors: GS
authors: Reeder
mesh_terms: D003097:Collateral Circulation / Q000502:physiology*; D003326:Coronary Circulation / Q000502:physiology*; D003327:Coronary Disease / Q000000981:diagnostic imaging*; D003331:Coronary Vessels / Q000000981:diagnostic imaging*; D004452:Echocardiography; D006801:Humans