No abstract available
MeSH terms
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Aminophylline / therapeutic use*
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Apnea / prevention & control*
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Bradycardia / prevention & control*
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Caffeine / therapeutic use*
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Cardiotonic Agents / therapeutic use*
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Citrates / therapeutic use*
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Clinical Trials as Topic
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Drug Combinations
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Humans
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Infant, Newborn
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Infant, Premature, Diseases / prevention & control*
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Placebos
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Research Design
Substances
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Cardiotonic Agents
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Citrates
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Drug Combinations
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Placebos
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Aminophylline
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Caffeine
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caffeine citrate