Left ventricular systolic function of patients with refractory angina pectoris treated by percutaneous myocardial laser revascularisation, long-term follow-up results

Krzysztof Żmudka, Jarosław Trębacz, Piotr Podolec, Maria Olszowska, Marta Hlawaty, Magdalena Kostkiewicz, Paweł Rudziński, Jerzy Sadowski, Wiesława Tracz, Dariusz Dudek, Jacek Dubiel