41.   But, Sims said, subsequent tests revealed that the material was not skin tissue.

42.   Defense lawyers say the blood was so contaminated by the foot traffic that subsequent DNA tests on it would be meaningless.

43.   FIFA said despite an initial positive result, subsequent tests had proved negative.

44.   He tested negative in two subsequent tests prior to Atlanta and was allowed to enter the games.

45.   He was suspended from duty, failed subsequent medical tests and left the airline, according to Maersk, which is owned by Maersk Air of Norway.

46.   He was suspended from duty, failed subsequent medical tests and left the airline, according to Maersk, which is owned by Maersk Air of Denmark.

47.   In both cases the vehicles performed worse in subsequent tests.

48.   In the United States, initial tests for anthrax have sometimes produced an inaccurate result, turning out positive, only to be contradicted by subsequent tests.

49.   Rieders concluded the victim could have died of oleander poisoning but subsequent tests found no sign of oleander and charges against the defendant were dismissed.

50.   Subsequent tests said she also was sexually assaulted.