title: Excessive metal release due to loosening and fretting of sintered particles on porous-coated hip prostheses. Report of two cases.
mesh_terms: D001864:Bone Wires / Q000009:adverse effects; D006622:Hip Prosthesis; D006801:Humans; D011183:Postoperative Complications / Q000209:etiology; D011475:Prosthesis Failure