RT Journal Article SR Electronic T1 Pushing the limits of patient-oriented outcome measurements in the search for disease modifying treatments for osteoarthritis. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 61 OP 65 VO 70 A1 Matthew H Liang YR 2004 UL http://www.jrheum.org/content/70/61.abstract AB