1. Validation study of the Chinese version of the Brief Fatigue Inventory (BFI-C) 
Xin Shelley Wang, MD, Xi-Shan Hao, MD, Ying Wang, BS, Hong Guo, MD, Yong-Qin Jiang, RN, Tito R Mendoza, PhD, Charles S Cleeland, PhD 
Journal of Pain and Symptom Management 
Volume 27, Issue 4, Pages (April 2004)
DOI: /j.jpainsymman

2. Fig. 1
Percentage of patients with “fatigue worst” score of 7–10, by hemoglobin level (g/L).
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )

3. Fig. 2
Mean fatigue interference score (6 items) by “fatigue worst” score.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )

4. Journal of Pain and Symptom Management 2004 27, 322-332DOI: (10.1016/j.jpainsymman.2003.09.008)