DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Kjaergaard H, Olsen J, Ottesen B, Nyberg P, Dykes AK.
Obstetric risk indicators for labour dystocia in nulliparous women: a multi-centre cohort study.

BMC Pregnancy Childbirth 2008;
8: 45

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