Normative data for functional assessment of cancer therapy–general scale and its use for the interpretation of quality of life scores in cancer survivors.

Holzner B, Kemmler G, Cella D, De Paoli C, Meraner V, Kopp M, Greil R, Fleischhacker WW, Sperner-Unterweger B.

http://www.ncbi.nlm.nih.gov/pubmed/15163163