1 “...Over the past 30 years, total hip replacement (THR) surgery, also known as total hip arthroplasty...”

2 “...Over the past 30 years, total hip replacement (THR) surgery, also known as total hip arthroplasty...”

3 “...Over the past decade, research efforts such as the Human Genome Project and the International...”

4 “...Over the past decade, research efforts such as the Human Genome Project and the International...”

5 “... collagen, which is reconstituted with saline to form a paste. The addition of carboxymethylcellulose forms...”

6 “... collagen, which is reconstituted with saline to form a paste. The addition of carboxymethylcellulose forms...”