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Validity of the work productivity and activity impairment questionnaire - general health version in patients with rheumatoid arthritis
INTRODUCTION: The Work Productivity and Activity Impairment (WPAI) questionnaire is a well validated instrument to measure impairments in work and activities. However, its validation among patients with rheumatoid arthritis (RA) has not been well established. The present study's purpose is to e...
| Autores principales: | , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2010
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2991008/ https://www.ncbi.nlm.nih.gov/pubmed/20860837 http://dx.doi.org/10.1186/ar3141 |