title: Workshop of the EORTC Radiotherapy Group on quality assurance in cooperative trials of radiotherapy: a recommendation for EORTC Cooperative Groups.
authors: Radiation Physics Department, University of Gothenburg, Sweden.
authors: K A
authors: KA
authors: Johansson
authors: W F
authors: WF
authors: Hanson
authors: J C
authors: JC
authors: Horiot
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D005060:Europe; D006801:Humans; D007391:International Cooperation; D011785:Quality Assurance, Health Care; D011878:Radiotherapy / Q000592:standards*