Scott, NWNWScottFayers, PMPMFayersBottomley, AABottomleyAaronson, NKNKAaronsonde Graeff, AAde GraeffGroenvold, MMGroenvoldKoller, MMKollerPetersen, MAMAPetersenSprangers, MAMASprangers2010-09-142018-06-292010-09-142018-06-292006-01http://ntur.lib.ntu.edu.tw//handle/246246/202167en-USComparing translations of the EORTC QLQ-C30 using differential item functioning analysesjournal article