Usage of Spacers and the Relationship With Symptoms Severity in COPD Elderly Patients
Clinical trial NCT06467162 · COMPLETED
Trial details
- NCT number
- NCT06467162
- Sponsor
- Ai-Ling Chang
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2023-04-06
- Primary completion
- 2023-06-30
- Enrollment
- 164
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