TY  - RPRT
TI  - Modification of the EORTC QLQ-C30 (version 2.0) based on content validity and reliability testing in large samples of patients with cancer. The Study Group on Quality of Life of the EORTC and the Symptom Control and Quality of Life Committees of the NCI of Canada Clinical Trials Group.
AU  - D Osoba
AU  - N Aaronson
AU  - B Zee
AU  - M Sprangers
AU  - A te Velde
PY  - 1997
DO  - 10.1023/a:1026429831234
UR  - https://pubmed.ncbi.nlm.nih.gov/9161109/
ID  - 9161109
ER  -