(Q46446567)
Statements
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A multicenter study of preterm birth weight and gestational age-specific neonatal mortality (English)
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J D Iams
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S P Cliver
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R L Goldenberg
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R L Copper
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R K Creasy
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M B DuBard
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R O Davis
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S S Entman
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1 January 1993
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168
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1 Pt 1
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78-84
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