290 A HIERARCHY OF PATIENT-REPORTED OUTCOME MEASURES FOR META-ANALYSIS OF KNEE OSTEOARTHRITIS TRIALS: EMPIRICAL EVIDENCE FROM A SURVEY OF HIGH IMPACT JOURNALS Conference Paper uri icon

authors

  • Juhl, C
  • Lund, H
  • Guyatt, GH
  • Zhang, W
  • Roos, E
  • Christensen, R

publication date

  • October 2010