A randomized validation study comparing embedded versus extracted FACT Head and Neck Symptom Index scores.
Yount S, List M, Du H, Yost K, Bode R, Brockstein B, Argiris A, Vokes E, Cohen EE, Campbell B, Valenzuela V, George J, Egan R, Chen J, Meddis D, Cella D. A randomized validation study comparing embedded versus extracted FACT Head and Neck Symptom Index scores. Qual Life Res. 2007 Dec; 16(10):1615-26.