DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Zhang J, Landy HJ, Branch DW. et al
Contemporary patterns of spontaneous labor with normal neonatal outcomes.

Obstetrics and gynecology 2010;
116: 1281-1287 . doi:10.1097/AOG.0b013e3181fdef6e

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