MISA to NRDS:a Multicenter Study in China
Conditions
- Bronchopulmonary Dysplasia
- Patent Ductus Arteriosus
- Intraventricular Hemorrhage
- Necrotizing Enterocolitis
- Periventricular Leukomalacia
Interventions
- PROCEDURE: Minimal Invasive surfactant administration
Sponsor
Peking University Third Hospital