title: Usefulness of anal ultrasonography in anal fistula.
authors.forename: M
authors.initials: M
authors.lastname: Mínguez Pérez
authors.forename: E
authors.initials: E
authors.lastname: García-Granero
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging; D019160:Endosonography; D006801:Humans; D012003:Rectal Fistula / Q000000981:diagnostic imaging*