Item response theory was used to shorten EORTC QLQ-C30 scales for use in palliative care
Title:
Item response theory was used to shorten EORTC QLQ-C30 scales for use in palliative care
Author:
Petersen, Morten Aa. Groenvold, Mogens Aaronson, Neil Blazeby, Jane Brandberg, Yvonne de Graeff, Alexander Fayers, Peter Hammerlid, Eva Sprangers, Mirjam Velikova, Galina Bjorner, Jakob B.