Are brain angiograms dangerous?

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Tags

1. #though
2. #angiogram
3. #catheter
4. #small
5. #damage
6. #study
7. #considered
8. #thrombi
9. #brain
10. #arteries
11. #during
12. #procedure
13. #around
14. #clots
15. #possibility
16. #formation
17. #stroke
18. #cause
19. #minimally
20. #concerning
21. #supplying
22. #invasive
23. #within