title: Reply to Dr. D. K. Yousefzadeh's comment on 'Sonographic assessment of the retroperitoneal position of the third portion of the duodenum: an indicator of normal intestinal rotation'.
authors.forename: Renaud
authors.initials: R
authors.lastname: Menten
mesh_terms: D004386:Duodenum / Q000000981:diagnostic imaging*; D006801:Humans; D014463:Ultrasonography