title: Letter from the editors: functional studies of the gastrointestinal tract.
authors.forename: Leonard M
authors.initials: LM
authors.lastname: Freeman
authors.forename: M Donald
authors.initials: MD
authors.lastname: Blaufox
mesh_terms: D041981:Gastrointestinal Tract / Q000000981:diagnostic imaging*; D006801:Humans; D009683:Nuclear Medicine; D011877:Radionuclide Imaging