title: Coronary angiography during pacing-induced ischaemia: a new approach to the collaterals. Methodological aspects.
mesh_terms: D000790:Angiocardiography / Q000379:methods; D003097:Collateral Circulation; D003326:Coronary Circulation; D003327:Coronary Disease / Q000000981:diagnostic imaging*; D006801:Humans; D010138:Pacemaker, Artificial