PT - JOURNAL ARTICLE AU - Mei-Dan, O AU - Mann, G AU - Maffulli, N TI - Platelet-rich plasma: any substance into it? AID - 10.1136/bjsm.2009.067108 DP - 2010 Jul 01 TA - British Journal of Sports Medicine PG - 618--619 VI - 44 IP - 9 4099 - http://bjsm.bmj.com/content/44/9/618.short 4100 - http://bjsm.bmj.com/content/44/9/618.full SO - Br J Sports Med2010 Jul 01; 44