Bipolar endoprosthesis.
D000328:Adult; D000368:Aged; D001168:Arthritis / Q000601:surgery; D001172:Arthritis, Rheumatoid / Q000601:surgery; D005260:Female; D005265:Femoral Neck Fractures / Q000601:surgery; D005271:Femur Head Necrosis / Q000601:surgery; D005500:Follow-Up Studies; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D010003:Osteoarthritis / Q000601:surgery; D011474:Prosthesis Design