Study Shows Tai Chi and Physical Therapy Were Equally Helpful for Knee Osteoarthritis - National ...

Study Shows Tai Chi and Physical Therapy Were Equally Helpful for Knee Osteoarthritis  National Center for Complementary and Integrative Health (.gov)

A Randomized, Controlled Trial of Total Knee Replacement | New England Journal of Medicine - The ...

A Randomized, Controlled Trial of Total Knee Replacement | New England Journal of Medicine  The New England Journal of Medicine