No abstract available
MeSH terms
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Aminophylline / administration & dosage
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Apnea / drug therapy*
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Birth Weight
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Dose-Response Relationship, Drug
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Exchange Transfusion, Whole Blood*
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Gestational Age
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Humans
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Infant, Newborn
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Infant, Premature, Diseases / drug therapy*
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Theophylline / blood*
Substances
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Aminophylline
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Theophylline