TY - JOUR AU - Baltzer, A WA; Drever, R; Granrath, M; Godde, G; Klein, W; Wehling, P TI - Intraarticular treatment of osteoarthritis using autologous interleukin-1 receptor antagonist (IL-1Ra) conditioned serum JO - Dtsch Z Sportmed IS - 6 VL - 54 PY - 2003 SP - 209 EP - 211 ER -