title: Is there a need for routine fluoroscopy of the chest and abdomen before barium studies?
authors.forename: W F
authors.initials: WF
authors.lastname: Van Gelderen
mesh_terms: D001466:Barium Sulfate; D003287:Contrast Media; D005471:Fluoroscopy; D006801:Humans; D011860:Radiography, Abdominal; D013902:Radiography, Thoracic
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate