title: A film and cassette holder for simultaneous xeroradiography and conventional radiography in longitudinal studies.
authors.forename: G S
authors.initials: GS
authors.lastname: Griffiths
authors.forename: S K
authors.initials: SK
authors.lastname: Coulthurst
authors.forename: I R
authors.initials: IR
authors.lastname: Gillett
authors.forename: N W
authors.initials: NW
authors.lastname: Johnson
mesh_terms: D003720:Densitometry; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006801:Humans; D008137:Longitudinal Studies; D011856:Radiographic Image Enhancement / Q000295:instrumentation; D011861:Radiography, Dental / Q000295:instrumentation*; D014962:X-Ray Film; D014986:Xeroradiography / Q000295:instrumentation*