No abstract available
Publication types
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Comparative Study
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adrenal Cortex Hormones / therapeutic use*
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Female
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Humans
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Infant, Newborn
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Male
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Obstetric Labor, Premature / drug therapy*
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Practice Patterns, Physicians'
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Pregnancy
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Records
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Research Design