Is it hard to be a cardiologist?

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Tags

1. #medicine
2. #schooling
3. #internal
4. #involves
5. #fellowship
6. #worth
7. #doctors
8. #three
9. #years
10. #which
11. #cardiology
12. #becoming
13. #cardiologist
14. #often
15. #followed
16. #residency
17. #complete
18. #might
19. #challenge