RT Journal Article SR Electronic T1 Towards a reference case for economic evaluation of osteoporosis treatments. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 31 OP 36 VO 68 A1 Douglas Coyle A1 Anna N Tosteson YR 2003 UL http://www.jrheum.org/content/68/31.abstract AB