No, injection of your own stem cells which are grown in culture.
They differentiate into cartilage. It's www.regenexx.com.

--- In kneesurgeryforum@yahoogroups.com, Savvy <graphix_12@...> wrote:
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> Never heard of it. I did just research it. Is it like Prolo
therapy?
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> -S
>
> --- On Sun, 1/4/09, centenohome <centenohome@...> wrote:
> From: centenohome <centenohome@...>
> Subject: [kneesurgeryforum] Regenexx?
> To: kneesurgeryforum@yahoogroups.com
> Date: Sunday, January 4, 2009, 11:58 AM
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> Has anybody heard of the Regenexx knee stem cell
procedure?
>