51.   Two subsequent genetic tests confirmed the results.

52.   While a study in the United States showed the drug could prolong the lives of patients, a study in Europe failed to confirm this result.

53.   Paabo said his results were independently confirmed at Pennsylvania State University.

54.   Our own laboratory and vehicle tests confirm these results.

55.   A Pentagon official who also was monitoring the test said all systems appeared to be working as expected, but she could not immediately confirm the result.

56.   A later test in December confirmed the result.

57.   A second round of tests, which was completed Tuesday, confirmed the results of initial tests showing the cow was infected.

58.   A subsequent test confirmed the results.

59.   Additional tests confirmed the results Tuesday.

60.   But they were able to confirm the results in cell cultures as well as in the mice.