Researchers work on regrowing broken bones

July 30, 2010 (CHICAGO) However, right now, the technique has only been used in rabbits.

When the animals were given artificial bones, they were able to regrow their own joints complete with cartilage.

The report in "The Lancet" medical journal predicts the research could eventually benefit patients with damaged hips, shoulders or knees.

It may even eliminate the need for metal joint replacements in humans.

Doctors say the regeneration was accomplished using the animals own stem cells.

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