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- [9] Perineal body length as a risk factor for ultrasound-diagnosed anal sphincter tear at first delivery International Urogynecology Journal, 2014, 25 : 631 - 636
- [10] Delivery through perineal body and severed external anal sphincter with an intact vaginal orifice during a precipitous labor: a case report CLINICAL CASE REPORTS, 2015, 3 (05): : 328 - 330