41.   Defenseman Craig Ludwig twisted his knee Sunday against the New York Islanders and returned to Texas yesterday to undergo magnetic resonance imaging test.

42.   Doctors trying to re-create seizures in epileptic patients often exploit this quirk of the brain, flashing bright lights in the eyes of people undergoing electroencephalogram tests.

43.   During the games, the winners of each event would have routinely been expected to undergo drug tests.

44.   Employees of the district also undergo the tests.

45.   Fearing her own cancer was inevitable, Silverman decided to undergo tests for genes known to cause breast cancer.

46.   Five hours after the accident, Arnone was undergoing tests and was listed in critical condition, said hospital nursing supervisor Anne Lipman.

47.   For example, the agency could require more drugs to undergo tests for hazards they might pose once they left the body.

48.   Five are undergoing tests at Edwards Air Force Base in California.

49.   For some time she has undergone fertility tests, which are physically and emotionally draining.

50.   For nearly a year, those systems have been undergoing tests monitored by consultants at KPMG.