(Q34663905)
Statements
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Contribution of risk factors to extremely, very and moderately preterm births - register-based analysis of 1,390,742 singleton births (English)
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Mika Gissler
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Sari Räisänen
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Seppo Heinonen
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Michael Kramer
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Juho Saari
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5 April 2013
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8
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4
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e60660
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5 April 2013
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Identifiers
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