No abstract available
MeSH terms
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Blood Transfusion / statistics & numerical data
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Cerebral Hemorrhage / prevention & control*
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Evidence-Based Medicine
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Female
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Humans
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Infant, Newborn
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Infant, Premature
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Ligation
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Male
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Placental Circulation
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Practice Guidelines as Topic
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Pregnancy
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Risk Factors
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Time Factors
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Umbilical Cord / pathology*