PT - JOURNAL ARTICLE AU - Marc C Hochberg TI - Response to: ‘Is chondroitin sulfate plus glucosamine superior to placebo in the treatment of knee osteoarthritis?’ by Zeng <em>et al</em> AID - 10.1136/annrheumdis-2015-207482 DP - 2015 Sep 01 TA - Annals of the Rheumatic Diseases PG - e57--e57 VI - 74 IP - 9 4099 - http://ard.bmj.com/content/74/9/e57.short 4100 - http://ard.bmj.com/content/74/9/e57.full SO - Ann Rheum Dis2015 Sep 01; 74