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Jax, Thomas W; Peters, Ansgar J; Khattab, Ahmed A; Heintzen, Matthias P; Schoebel, Frank-Chris (2009). Percutaneous coronary revascularization in patients with formerly "refractory angina pectoris in end-stage coronary artery disease" - not "end-stage" after all. BMC cardiovascular disorders, 9, p. 42. London: BioMed Central 10.1186/1471-2261-9-42
