TY - GEN AU - Legenstein,R AU - Huber,W AU - Ungersboeck,A AU - Boesch,P TI - Long-term clinical and radiographic outcome of the PPF system in ceramic-on-polyethylene hip bearings SN - 1724-6067 PY - 2010///0520 N1 - Publication Type: Journal Article UR - https://doi.org/10.5301/hip.2008.213 ER -