(Q33796935)
Statements
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Cervical length and dilatation of the internal cervical os detected by vaginal ultrasonography as markers for preterm delivery: A systematic review (English)
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H Leitich
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M Brunbauer
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A Kaider
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C Egarter
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P Husslein
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1 December 1999
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181
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1465-1472
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Identifiers
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