TY - JOUR AU - Russell, R P; Apostolakos, J; Hirose, T; Cote, M P; Mazzocca, A D TI - Variability of platelet-rich plasma preparations JO - Sports Med Arthrosc IS - 4 VL - 21 PY - 2013 DO - 10.1097/JSA.0000000000000007 SP - 186 EP - 190 ER -