25.
Vogelzang, N. J., Breitbart, W., Cella, D., Curt, G. A., Groopman, J. E., Horning, S. J., Itri, L. M., Johnson, D. H., Scherr, S. L., & Portenoy, R. K. (1997). Patient, caregiver, and oncologist perceptions of cancer-related fatigue: Results of a tripart assessment survey. The Fatigue Coalition. Seminars in Hematology, 34, 4–12.