More than 50% reduction of wear in polyethylene liners with alumina heads compared to cobalt-chrome heads in hip replacements: a 10-year follow-up with radiostereometry in 43 hips.

Acta Orthop · 2013 · PMC3768034 · PMID 23795579

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highly significantno p-value reported

The reduction in wear was highly significant even though the number of patients was small.

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