title: Cross-sectional imaging: present and future.
authors.affiliation: Department of Radiology, University of California, San Francisco Medical Center.
authors.forename: A R
authors.initials: AR
authors.lastname: Margulis
mesh_terms: D001466:Barium Sulfate; D004066:Digestive System Diseases / Q000175:diagnosis*; D004733:Enema; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000379:methods*
chemical_list: D001466:Barium Sulfate