TY - GEN AU - Kouloulias,V E AU - Poortmans,P M AU - Bernier,J AU - Horiot,J C AU - Johansson,K A AU - Davis,B AU - Godson,F AU - Garavaglia,G AU - Pierart,M AU - van der Schueren,E TI - The Quality Assurance programme of the Radiotherapy Group of the European Organization for Research and Treatment of Cancer (EORTC): a critical appraisal of 20 years of continuous efforts SN - 0959-8049 PY - 2003///0619 KW - Clinical Trials as Topic KW - Europe KW - Humans KW - Neoplasms KW - radiotherapy KW - Quality Assurance, Health Care KW - Radiotherapy KW - standards KW - Radiotherapy, Adjuvant KW - Retrospective Studies N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1016/s0959-8049(02)00113-2 ER -