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Here are the most popular resources that people use for the USMLE Step 2 CK on Cram Fighter. These aren't necessarily the best study resources, but they should be a good starting point.

Rank Title (all editions) % of students used
1. UWorld 74.0
2. OnlineMedEd 51.1
3. Anki 27.5
4. Master the Boards USMLE Step 2 CK 15.7
5. First Aid for the USMLE Step 2 CK Clinical Knowledge 15.7
6. Step-Up to Medicine 10.0
7. AMBOSS 10.0
8. USMLE Step 2 Secrets 7.0
9. Dr. Pestana's Surgery Notes 5.5
10. SketchyPharm 5.2
11. SketchyIM 4.4
12. SketchyMicro 4.4
13. Case Files Family Medicine 3.3
14. Step-Up to USMLE Step 2 3.1
15. Case Files Obstetrics & Gynecology 3.1
16. COMBANK 3.1
17. First Aid for the Psychiatry Clerkship 2.8
18. Kaplan Qbank 2.6
19. First Aid Cases for the USMLE Step 2 CK 2.6
20. COMQUEST 2.4

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