1. Fatigue;Nail;Semin Oncol. Nurs.,1987
2. Fatigue: its physiological and psychological significance;Grandjean;Ergonomics,1968
3. Piper BF. Fatigue. In: Carrier VK, Linddsey AM, West CM, editors. Pathophysiological phenomena in nursing. Philadelphia: Saunders; 1962. p. 219–34.
4. Dorland’s illustrated medical dictionary, 25th ed. Philadelphia: Saunders; 1974.
5. The Cronic Fatigue Syndrome: a comprehensive approach to its definition and study;Fukuda;Ann. Intern. Med.,1994