No abstract available
MeSH terms
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Calcium / blood*
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Female
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Follow-Up Studies
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Heroin Dependence
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Humans
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Infant, Low Birth Weight
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Infant, Newborn
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Infant, Newborn, Diseases / blood*
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Infant, Premature
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Infant, Small for Gestational Age
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Length of Stay
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Male
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Maternal-Fetal Exchange
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Methadone
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Pregnancy
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Substance Withdrawal Syndrome / blood*