title: Application of a commercial solid-water plane-parallel ionization chamber to the AAPM TG-21 protocol.
authors.affiliation: Department of Medical Physics, University of Wisconsin Medical School, Madison 53706.
authors.forename: F H
authors.initials: FH
authors.lastname: Attix
mesh_terms: D006801:Humans; D008961:Models, Structural; D011874:Radiometry / Q000295:instrumentation*; D012955:Societies, Medical / Q000592:standards*