No abstract available
MeSH terms
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Biological Products / therapeutic use*
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Female
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Hospital Mortality / trends*
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Humans
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Male
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Phospholipids / therapeutic use*
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Respiratory Distress Syndrome, Newborn / drug therapy*
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Respiratory Distress Syndrome, Newborn / mortality*
Substances
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Biological Products
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Phospholipids
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poractant alfa
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calfactant
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beractant