1 “...The use of hydrogel spacers has demonstrated some clinical effectiveness in the prevention...”

2 “...The use of hydrogel spacers has demonstrated some clinical effectiveness in the prevention...”

3 “... there are studies published to demonstrate the effectiveness of the intra-articular injection of hyaluronic acid...”

4 “... there are studies published to demonstrate the effectiveness of the intra-articular injection of hyaluronic acid...”

5 “... of younger patients interested in and undergoing surgery has grown. Bariatric surgery has been demonstrated...”

6 “... of younger patients interested in and undergoing surgery has grown. Bariatric surgery has been demonstrated...”

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