title: Economical beamstopper mounted film holder.
authors.affiliation: Marian Cancer Institute, Marian Health Center, Sioux City, IA 51101.
authors.forename: D
authors.initials: D
authors.lastname: Zimmer
mesh_terms: D003365:Costs and Cost Analysis; D004864:Equipment and Supplies / Q000191:economics; D006801:Humans; D010315:Particle Accelerators; D011882:Radiotherapy, High-Energy / Q000295:instrumentation*; D014481:United States