TY - GEN TI - Quality assurance in radiotherapy: a guide prepared following a workshop held at Schloss Reisensburg, Federal Republic of Germany SN - 9241542241 U1 - 615.8420289 PY - 1988/// CY - Geneva PB - WHO KW - QUALITY ASSURANCE, HEALTH CARE KW - RADIOTHERAPY KW - THERAPEUTICS ER -