title: Internal anal sphincter and endosonography.
authors.forename: V
authors.initials: V
authors.lastname: de Parades
authors.forename: C
authors.initials: C
authors.lastname: Parisot
authors.forename: P
authors.initials: P
authors.lastname: Atienza
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging* / Q000503:physiopathology; D005242:Fecal Incontinence / Q000000981:diagnostic imaging / Q000503:physiopathology; D005260:Female; D006801:Humans; D014463:Ultrasonography