Evaluation of the Effect of Revision Surgery of Lumbar Adjacent Segment Degeneration
Clinical trial NCT04970862 · UNKNOWN
Trial details
- NCT number
- NCT04970862
- Sponsor
- Peking University Third Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2021-08-01
- Primary completion
- 2023-12-30
- Enrollment
- 120
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