| http://www.w3.org/ns/prov#value | - A joint prosthesis for replacement of a hip joint in a human body comprising:an acetabulum prosthesis formed in a hemispherical cup for attachment to the acetabulum; a femoral head prosthesis having a sphere at one end moveable within said cup of said acetabulum prosthesis, and having a stem at the other end shaped for insertion into the medullary canal of the femur, said stem including a pair of
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