21.   Other studies found that SAM-e helps preserve and repair cartilage, shock absorbers in joints that keep bones from grinding against each other and causing pain.

22.   Patrick Ewing had arthroscopic surgery Wednesday to repair torn cartilage in the back of his right knee, the same knee that required surgery last summer.

23.   Pitching coach Stan Williams will have arthroscopic surgery to repair torn cartilage in his left knee Friday and will miss the road trip to Boston and Toronto.

24.   Pitcher DAVE VON OHLEN will undergo arthroscopic surgery on his left knee to repair torn cartilage.

25.   Recent studies indicate it may actually help maintain and repair damaged cartilage.

26.   Rockets point guard Brent Price underwent surgery Wednesday to repair torn cartilage in his right knee and is expected to be back in time for the playoffs.

27.   Seattle shortstop Alex Rodriguez is expected to return this week after missing a month recovering from surgery to repair torn cartilage in his left knee.

28.   The battle began in Europe, where surgeons developed competing procedures for repairing damaged cartilage.

29.   The patents cover the use of stem cells in a variety of scientific practices for purposes like repairing cartilage, creating artificial skin or treating HIV.

30.   The surgery was to repair articular cartilage that was damaged Wednesday in a collision with Detroit Red Wings forward Keith Primeau.