Adjuvant Therapy for Severe COPD Patients in the Stable Phase by an Oxyhydrogen Generator With Nebulizer
Conditions
Interventions
- DEVICE: oxyhydrogen
- DEVICE: Oxygen
- DRUG: Conventional treatment
Sponsor
Shanghai Asclepius Meditec Inc.
Collaborators
- [object Object]
- [object Object]
- [object Object]
- [object Object]
- [object Object]