RT Journal Article SR Electronic T1 Which is the best radiographic protocol for a clinical trial of a structure modifying drug in patients with knee osteoarthritis? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1308 OP 1320 VO 29 IS 6 A1 Kenneth D Brandt A1 Steven A Mazzuca A1 Thierry Conrozier A1 Jane E Dacre A1 Charles G Peterfy A1 Diego Provvedini A1 Phillipe Ravaud A1 Alain Taccoen A1 Eric Vignon YR 2002 UL http://www.jrheum.org/content/29/6/1308.abstract AB