APA-referens (7:e uppl.)

Fitzpatrick, R., Norquist, J., & Jenkinson, C. (2004). Distribution-based criteria for change in health-related quality of life in Parkinson's disease.

Chicago-referens (17:e uppl.)

Fitzpatrick, R., J. Norquist, och C. Jenkinson. Distribution-based Criteria for Change in Health-related Quality of Life in Parkinson's Disease. 2004.

MLA-referens (9:e uppl.)

Fitzpatrick, R., et al. Distribution-based Criteria for Change in Health-related Quality of Life in Parkinson's Disease. 2004.

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