Imagine a scuffed-up billiard ball. Dr. William Petty, an orthopedic surgeon, holds up the arthritic ball of a hip joint, pointing out the rough patches where the osteophytes, commonly known as "bone ...
More than 300,000 hip replacements are done every year in the U.S. Most patients are between the ages 50 and 80. There has been a revolution in how the surgery is done over the past decade, thanks to ...
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