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Stroke
Brain Ischemia
Paradoxical Embolism
Acute Disease
Patent Foramen Ovale
Atrial Heart Septal Defects
Middle Cerebral Artery Infarction
Treatment Outcome
Risk Factors
Retrospective Studies
Severity of Illness Index
Time Factors
Prospective Studies
Thrombolytic Therapy
Cerebral Angiography
Echocardiography, Transesophageal
Fibrinolytic Agents
Urokinase-Type Plasminogen Activator
Switzerland
Recurrence
Co-Publications
68
56
44
31
23
15
12
11
10
9
8
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