TY - JOUR AU - Daniel Fischer AU - S Sambasivan AU - M Shen AU - Stephen Hsu C2 - Society for Biomaterials DA - 1999-01-29 LA - en M1 - 22 PB - Society for Biomaterials PY - 1999 TI - Wear Induced Molecular Orientation in Ultra High Molecular Weight Polyethylene (UHMWPE) Measured by Soft X-Ray Adsorption ER -