title: Use of E-speed film with added filtration.
abstract: The use of aluminum, gadolinium, and yttrium filters in conjunction with E-speed film was studied. The resulting radiographs were judged to be acceptable for diagnostic purposes, although clinicians showed a preference for E-speed radiographs made at reduced exposure times and for D-speed radiographs. There was no detectable difference between the radiographs produced with the various filter materials.
authors.forename: A Z
authors.initials: AZ
authors.lastname: Ponce
authors.forename: W D
authors.initials: WD
authors.lastname: McDavid
authors.forename: T E
authors.initials: TE
authors.lastname: Underhill
authors.forename: C R
authors.initials: CR
authors.lastname: Morris
mesh_terms: D004867:Equipment Design; D005374:Filtration / Q000295:instrumentation; D011856:Radiographic Image Enhancement / Q000295:instrumentation; D011861:Radiography, Dental / Q000295:instrumentation*; D014962:X-Ray Film; D014963:X-Ray Intensifying Screens