RT Journal Article SR Electronic T1 CONCEPT provides robust evidence that chondroitin sulfate is superior to placebo and similar to celecoxib in the symptomatic management of osteoarthritis JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e11 OP e11 DO 10.1136/annrheumdis-2017-212165 VO 77 IS 2 A1 Jean-Yves L Reginster A1 , YR 2018 UL http://ard.bmj.com/content/77/2/e11.abstract AB