title: Anal sphincter injury after vaginal delivery in primiparous females.
authors.affiliation: School of Medicine, Cottingham, UK.
authors.forename: G S
authors.initials: GS
authors.lastname: Duthie
mesh_terms: D001003:Anal Canal / Q000293:injuries*; D036861:Delivery, Obstetric / Q000009:adverse effects*; D005242:Fecal Incontinence / Q000209:etiology*; D005260:Female; D006801:Humans; D010298:Parity; D011183:Postoperative Complications; D011247:Pregnancy