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Subjects
- Brain Ischemia -- drug therapy1
- Emergency Medical Services -- methods[remove]1
- Fibrinolytic Agents -- therapeutic use1
- Humans1
- Pennsylvania1
- Risk Management1
- Stroke -- diagnosis1
- Stroke -- drug therapy1
- Thrombolytic Therapy -- methods1
- Time Factors1
- Tissue Plasminogen Activator -- therapeutic use1
- Treatment Outcome1
- United States1