DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Gurol-Urganci I, Cromwell DA, Edozien LC et al.
Third- and fourth-degree perineal tears among primiparous women in England between 2000 and 2012: time trends and risk factors.

BJOG 2013;
120: 1516-1525

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