DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

O’Mahony F, Hofmeyr GJ, Menon V.
Choice of instruments for assisted vaginal delivery.

Cochrane database Syst Rev 2010; CD005455 ; Im Internet: http://www.ncbi.nlm.nih.gov/pubmed/21069686
DOI: 10.1002/14651858.CD005455.pub2.

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