21.   Samples that the landers took of the Martian soil underwent a battery of tests but showed no unambiguous signs of life.

22.   State health officials have urged Gov. Gary Locke, his wife and their infant daughter to undergo a battery of rabies shots.

23.   The Mir crew will undergo batteries of medical tests aboard Atlantis when the shuttle docks with Mir.

24.   To become certified, Merlin must undergo a battery of tests to see how he reacts in different situations.

25.   Young spent two weeks late last month and into this month in a Maryland hospital undergoing a battery of tests.

26.   According to Raiders spokesman Mike Taylor, Jordan was conscious and undergoing a battery of tests at Queen of the Valley Hospital in Napa.

27.   Behind the walls of Massachusetts General Hospital, Mike Tyson is undergoing a battery of tests to determine whether he is psychologically fit to return to the boxing ring.

28.   Candidates were flown to Virginia where they underwent a battery of tests checking their health, hearing and language proficiency as well as extensive criminal record checks.

29.   Glynn underwent a battery of tests Friday night and Saturday to determine why he lost consciousness a few minutes after he had been removed from a game against Boston.

30.   He since has undergone batteries of tests, including an extensive series at the Mayo Clinic, and has medical clearance to resume his career.