Piece of pie missing.
Albin
Alexandra
A
D019644:Arthroplasty, Replacement, Hip / Q000295:instrumentation* / Q000379:methods*; D006622:Hip Prosthesis; D006801:Humans; D008670:Metals; D008970:Molecular Weight; D010020:Osteonecrosis / Q000601:surgery*; D020959:Polyethylene; D011474:Prosthesis Design
D008670:Metals; D020959:Polyethylene