Odds ratios of a long cord (>90th percentile), short cord (th percentile), cord knot and entanglement according to maternal and pregnancy characteristics in singletons in Norway 1999–2013.
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Odds ratios of a long cord (>90th percentile), short cord (th percentile), cord knot and entanglement according to maternal and pregnancy characteristics in singletons in Norway 1999–2013.
创建时间：
2018-03-28
