title: The bi-articular hip prosthesis.
mesh_terms: D000368:Aged; D005500:Follow-Up Studies; D006621:Hip Joint / Q000000981:diagnostic imaging* / Q000502:physiology; D006622:Hip Prosthesis; D006801:Humans; D008875:Middle Aged; D009068:Movement; D011474:Prosthesis Design; D011475:Prosthesis Failure; D011856:Radiographic Image Enhancement