title: Fragmented QRS frequency in patients with cardiac syndrome X.
authors: International Laser Center; Bratislava-Slovak Republic; Institute of Pathophysiology, Medical Faculty, Comenius University; Bratislava-Slovak Republic. bacharova@ilc.sk.
authors: Ljuba
authors: L
authors: Bacharova
mesh_terms: D004562:Electrocardiography; D006801:Humans; D017566:Microvascular Angina; D009203:Myocardial Infarction