DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Bohren MA, Hofmeyr GJ, Sakala C. et al.
Continuous support for women during childbirth.

Cochrane Database Syst Rev 2017; (07) CD003766
DOI: 10.1002/14651858.CD003766.pub6.

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