Use of item response theory to develop a shortened version of the EORTC QLQ-C30 emotional functioning scale

Author: Bjorner J.B.   Petersen M.Aa.   Groenvold M.   Aaronson N.   Ahlner-elmqvist M.   Arraras J.I.   Brédart A.   Fayers P.   Jordhoy M.   Sprangers M.   Watson M.   Young T.  

Publisher: Springer Publishing Company

ISSN: 0962-9343

Source: Quality of Life Research, Vol.13, Iss.10, 2004-12, pp. : 1683-1697

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