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Newborn Infant
Infants
Infant, Extremely Premature
Extremely Low Birth Weight Infant
Premature Infant
Prospective Studies
Retrospective Studies
Newborn Respiratory Distress Syndrome
Infant, Premature, Diseases
Very Low Birth Weight Infant
Gestational Age
Pregnancy
Artificial Respiration
Continuous Positive Airway Pressure
Intratracheal Intubation
Intensive Care, Neonatal
Positive-Pressure Respiration
Germany
Pulmonary Surfactants
Fentanyl
Co-Publications
32
19
16
14
10
8
7
6
5
4
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