Establishment and Validation of Early-warning Model of Perioperative Pain for the Elders
Clinical trial NCT04228705 · UNKNOWN
Trial details
- NCT number
- NCT04228705
- Sponsor
- Peking University People's Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2019-12-13
- Primary completion
- 2020-12-12
- Enrollment
- 6000
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