REFERENCES
- Aratake Y, Tanaka K, Wada K, Watanabe M, Katoh N, Sakata Y, Aizawa Y 2007 Development of Japanese version of the Checklist Individual Strength Questionnaire in a working population. Journal of Occupational Health 49: 453–460
- Armutlu K, Korkmaz NC, Keser I, Sumbuloglu V, Akbiyik DI, Guney Z, Karabudak R 2007 The validity and reliability of the Fatigue Severity Scale in Turkish multiple sclerosis patients. Intenational Journal of Rehabilitation Research 30: 81–85
- Beurskens AJ, Bultmann U, Kant I, Vercoulen JH, Bleijenberg G, Swaen GM 2000 Fatigue among working people: Validity of a questionnare measure. Occupational and Environmental Medicine 57: 353–357
- Cronbach LJ 1951 Coefficent alpha and the internal structure of tests. Psychometrica 16: 297–334
- David A, Pelosi A, McDonald E, Stephens D, Ledger D, Rathbone R, Mann A 1990 Tired, weak, or in need of rest: Fatigue among general practice attenders. BMJ 301: 1199–1202
- Fisk JD, Pontefract A, Ritvo PG, Archibald CJ, Murray TJ 1994 The impact of fatigue on patients with multiple sclerosis. Canadian Journal of Neurological Sciences 21: 9–14
- Fukuda K, Strauss SE, Hickie I, Sharpe MC, Dobbins JG, Komaroff A 1994 The chronic fatigue syndrome: A comprehensive approach to its definition and study. Annals of Internal Medicine 121: 953–959
- Guillemin F, Bombardier C, Beaton D 1993 Cross-cultural adaptation of health-related quaility of life measures: Literature review and proposed guidelines. Journal of Clinical Epidemiology 46: 1417–1432
- Karlsen K, Larsen JP, Tandberg E, Jorgensen K 1999 Fatigue in patients with Parkinson's disease. Movement Disorders 14: 237–241
- Lewis G, Wessely S 1992 The epidemiology of fatigue: More questions than answers. Journal of Epidemiology and Community Health 46: 92–97
- Nijs J, Vaes P, McGregor N, Van Hoof E, De Meirleir K 2003 Psychometric properties of the Dutch Chronic Fatigue Syndrome Activities and Participation Questionnaire (CFS-APQ). Physical Therapy 83: 444–454
- Nijs J, Cloostermans B, McGregor N, Vaes P, De Meirleir K 2004 Construct validity and internal consistency of the Chronic Fatigue Syndrome Activities and Participation Questionnaire (CFS-APQ). Physiotherapy Theory and Practice 20: 31–40
- Nishikai M, Tomomatsu S, Hankins RW, Takagi S, Miyachi K, Kosaka S 2001 Autoantibodies to a 68/48 kDa protein in chronic fatigue syndrome and primary fibromyalgia: A possible marker for hypersomnia and cognitive disorders. Rheumatology 40: 806–810
- Pawlikowska T, Chalder T, Hirsch SR, Wallace P, Wright DJ, Wessely SC 1994 Population based study of fatigue and psychological distress. BMJ 308: 763–766
- Pepper CM, Krupp LB, Friedberg F, Doscher C, Coyle PK 1993 A comparison of neuropsychiatric characteristics in chronic fatigue syndrome, multiple sclerosis and major depression. Journal of Neuropsychiatry and Clinical Neuroscience 5: 200–205
- Shulman LM, Taback RL, Bean J, Weiner WJ 2001 Comorbidity of the nonmotor symptoms of Parkinson's disease. Movement Disorders 16: 507–510
- Smets EM, Garssen G, Bonke B, De Haes JC 1995 The Multidimensional Fatigue Inventory (MFI) psychometric qualities of an instrument to assess fatigue. Journal of Psychosomatic Research 39: 315–325
- Tan EM, Sugura K, Gupta S 2002 The case definition of chronic fatigue syndrome. Journal of Clinical Immunology 22: 8–12
- Vercoulen JH, Alberts M, Bleijenberg G 1999 The Checklist Individual Strength (CIS). Gedragstherapie 32: 131–136
- Vercoulen JH, Swanink CM, Fennis JF, Galama JM, van der Meer JW, Bleijenberg G 1994 Dimensional assessment of chronic fatigue syndrome. Journal of Psychosomatic Research 38: 383–392
- Vercoulen JH, Swanink CM, Fennis JF, Galama JM, van der Meer JW, Bleijenberg G 1996a Prognosis in chronic fatigue syndrome: A prospective study on the natural course. Journal of Neurology Neurosurgery and Psychiatry 60: 489–494
- Vercoulen JH, Hommes OR, Swanink CM, Jongen PJ, Fennis JF, Galama JM, van der Meer JW, Bleijenberg G 1996b The measurement of fatigue in patients with multiple sclerosis: A multidimensional comparison with patients with chronic fatigue syndrome and healthy subjects. Archives of Neurology 53: 642–649
- Vercoulen JH, Swanink CMA, Zitman FG, Vreden SG, Hoofs MP, Fennis JF, Galama JM, van der Meer JW, Bleijenberg G 1996c Randomised, double-blind, placebo-controlled study of fluoxetine in chronic fatigue syndrome. Lancet 347: 858–861
- Ware JE, Snow KK, Kosinski M, Gandek B 2000 SF-36 Health Survey: Manual and Interpretation Guide. Lincoln (RI)7, QualityMetric Incorporated
- Winningham ML, Nail LM, Burke MB, Brophy L, Cimprich B, Jones LS, Pickard-Holley S, Rhodes V, St Pierre B, Beck S 1994 Fatigue and the cancer experience: The state of the knowledge. Oncology Nursing Forum 21: 23–36