title: Point/Counterpoint. EPID dosimetry must soon become an essential component of IMRT quality assurance.
authors.affiliation: Department of Radiation Oncology (MAASTRO), Maastricht University Medical Centre, NL-6229 ET Maastricht, The Netherlands. wouter.vanelmpt@maastro.nl
authors.forename: Wouter
authors.initials: W
authors.lastname: van Elmpt
authors.forename: Gary A
authors.initials: GA
authors.lastname: Ezzell
authors.forename: Colin G
authors.initials: CG
authors.lastname: Orton
mesh_terms: D038622:Internationality; D011785:Quality Assurance, Health Care / Q000592:standards*; D011874:Radiometry / Q000592:standards*; D011880:Radiotherapy Planning, Computer-Assisted / Q000592:standards*; D011881:Radiotherapy, Computer-Assisted / Q000592:standards*; D020266:Radiotherapy, Conformal / Q000592:standards*; D014963:X-Ray Intensifying Screens / Q000592:standards*