title: Significance of anal canal ultrasound before sphincterotomy in multiparous women with anal fissure.
authors.forename: P
authors.initials: P
authors.lastname: Reissman
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging* / Q000293:injuries; D005260:Female; D005401:Fissure in Ano / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery*; D006801:Humans; D007743:Labor, Obstetric; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D016717:Sphincterotomy, Endoscopic; D014463:Ultrasonography