| http://www.w3.org/ns/prov#value | - Metal-on-metal implants aren???t equivalent to hips made of other materials, such as plastic or ceramics, or even to each other, says Nicolas O. Noiseux, MD, an orthopaedic surgeon and assistant professor in the College of Medicine at the University of Iowa in Iowa City. ???Not all implants perform the same way or have the same design issues.
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