title: [Fluctuations in the density of the reference film developed by a popularly used automatic processor].
authors: Department of Oral Radiology, Showa University.
authors: K I
authors: KI
authors: Uesugi
authors: M
authors: M
authors: Akabori
authors: T
authors: T
authors: Okano
mesh_terms: D003720:Densitometry; D011861:Radiography, Dental / Q000295:instrumentation; D014962:X-Ray Film