PT - JOURNAL ARTICLE AU - Zhicong Wang AU - Yuehong Liu AU - Mozhen Liu TI - Platelet-rich plasma injection is not more effective than hyaluronic acid to treat knee osteoarthritis when using a random-effects model AID - 10.1136/bjsports-2015-095512 DP - 2016 Aug 01 TA - British Journal of Sports Medicine PG - 953--954 VI - 50 IP - 15 4099 - http://bjsm.bmj.com/content/50/15/953.short 4100 - http://bjsm.bmj.com/content/50/15/953.full SO - Br J Sports Med2016 Aug 01; 50