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Validity and reliability of Work Productivity and Activity Impairment among patients with axial spondyloarthritis in Singapore.

Jie Kie PhangElenore Judy B UyWeng Seng Warren FongChuen Seng TanNai Lee LuiJulian ThumbooYing Ying Leung
Published in: International journal of rheumatic diseases (2020)
This study supports the content validity, construct validity, and test-retest reliability of the WPAI in patients with axSpA.
Keyphrases
  • climate change
  • ankylosing spondylitis
  • disease activity
  • rheumatoid arthritis