title: Postoperative dislocation: a risk factor for periprosthetic ectopic ossifications after total hip replacement.
mesh_terms: D000368:Aged; D005260:Female; D006617:Hip Dislocation / Q000000981:diagnostic imaging / Q000209:etiology*; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009999:Ossification, Heterotopic / Q000150:complications*; D011183:Postoperative Complications / Q000209:etiology*; D011859:Radiography