title: Gastrointestinal duplex Doppler ultrasound.
authors.forename: K J
authors.initials: KJ
authors.lastname: Taylor
mesh_terms: D000008:Abdominal Neoplasms / Q000098:blood supply; D000783:Aneurysm / Q000175:diagnosis; D004064:Digestive System / Q000098:blood supply*; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis; D012039:Regional Blood Flow; D013927:Thrombosis / Q000175:diagnosis; D014463:Ultrasonography; D014654:Vascular Patency