DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Ampt AJ, Ford JB, Roberts CL. et al.
Trends in obstetric anal sphincter injuries and associated risk factors for vaginal singleton term births in New South Wales 2001–2009.

Aust N Z J Obstet Gynaecol 2013;
53: 9-16

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