Annals of the Academy of Medicine Singapore · 2009 · 39 citations · 18 references
The EQ-5D questionnaire appears valid for measuring quality of life in patients with PD in Singapore. However, the validity of EQ-VAS in Chinese-speaking patients with PD should be further assessed.
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Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 85.9K citations
Modeling Valuations for EuroQol Health States
Paul Dolan · Medical Care · 1997 · 4.5K citations
A measure of quality of life for clinical trials in chronic lung disease.
Gordon Guyatt, L Berman, Marie Townsend et al. · Thorax · 1987 · 1.7K citations · Full text