SEARCH

SEARCH BY CITATION

References

  • 1
    Mohr DC, Pelletier D. A temporal framework for understanding the effects of stressful life events on inflammation in patients with multiple sclerosis. Brain Behav Immun 2005;12:110.
  • 2
    Andlin-Sobocki P, Jönsson B, Wittchen HU, et al. Cost of disorders of the brain in Europe. Eur J Neurol 2005;12(Suppl. 1):127.
  • 3
    Jacobson DL, Gange SJ, Rose NR, Graham NM. Epidemiology and estimated population burden of selected autoimmune diseases in the United States. Clin Immunol Immunopathol 1997;84:22343.
  • 4
    Cooper GS, Stroehla BC. The epidemiology of autoimmune diseases. Autoimmun Rev 2003;2:11925.
  • 5
    Johnson KL, Amtmann D, Yorkston K, et al. Medical, psychological, social, and programmatic barriers to employment for people with multiple sclerosis. J Rehabil 2004;70:3849.
  • 6
    Doward LC, McKenna SP, Meads DM, et al. The development of Patient Reported Outcome Indices for Multiple Sclerosis (PRIMUS). Mult Scler 2009;15:1092102.
  • 7
    Swaine-Verdier A, Doward LC, Hagell P, et al. Adapting quality of life instruments. Value Health 2004;7(Suppl.):S2730.
  • 8
    Meads DM, Doward LC, McKenna SP, et al. The development and validation of the Unidimensional Fatigue Impact Scale (U-FIS). Mult Scler 2009;15:122838.
  • 9
    Doward LC, Meads DM, Fisk J, et al. International development of the Unidimensional Fatigue Impact Scale (U-FIS). Value Health 11 March 2010 [Epub ahead of print.
  • 10
    Hunt SM, McEwen J, McKenna SP. Measuring Health Status. London: Croom Helm, 1986.
  • 11
    European Group for Quality of Life Assessment and Health Measurement. European Guide to the Nottingham Health Profile. Brookwood, Surrey: Brookwood Medical Publications, 1993.
  • 12
    Fisk JD, Ritvo PG, Ross L, et al. Measuring the functional impact of fatigue: initial validation of the fatigue impact scale. Clin Infect Dis 1994;18(Suppl. 1):S7983.
  • 13
    Rasch G. Probabilistic Models for Some Intelligence and Attainment Tests. Copenhagen: Danish Institute for Educational Research, 1960. (Expanded edition, Chicago: The University of Chicago Press, 1980).
  • 14
    HollandPW, WainerH, eds. Differential Item Functioning. New Jersey: Lawrence Erlbaum Associates, 1993.
  • 15
    Nunally JC Jr. Psychometric Theory (2nd ed.). New York: McGraw-Hill, 1978.
  • 16
    Streiner D, Norman G. Health Measurement Scales. Oxford: Oxford University Press, 1989.