title: The Society of Gastrointestinal Radiologists: 20th annual meeting, February 1991.
authors.forename: E
authors.initials: E
authors.lastname: Whalen
mesh_terms: D003287:Contrast Media; D003952:Diagnostic Imaging; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006801:Humans; D012955:Societies, Medical; D014481:United States
chemical_list: D003287:Contrast Media