title: Three-dimensional transperineal ultrasonography for evaluation of the anal sphincter complex: another dimension in understanding peripartum sphincter trauma.
authors.forename: S
authors.initials: S
authors.lastname: Yagel
authors.forename: D V
authors.initials: DV
authors.lastname: Valsky
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging / Q000293:injuries*; D005260:Female; D006801:Humans; D021621:Imaging, Three-Dimensional; D007744:Obstetric Labor Complications / Q000000981:diagnostic imaging*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal / Q000379:methods*