21.   Tests also detected anthrax in the mailroom that sorted the Daschle letter.

22.   Tests now detect certain diseases like prostate cancer earlier, increasing chances for cure.

23.   Studies showed the test detected more early-stage lesions than the Pap smear but not a lot more of the advanced abnormalities that concern doctors most.

24.   Tests detected no brain waves.

25.   That test can detect the blocked arteries that are an underlying cause of heart attacks.

26.   The drugs suppressed the amount of HIV in the blood beyond levels that tests could detect.

27.   The Johns Hopkins test has detected recurrence of cancer at the margins of the surgical incision before pathologists can find any cancerous cells there.

28.   The most precise tests detect no HIV in his blood and only trace amounts in his lymph tissue, the major reservoir for the virus.

29.   The new test can detect the presence of virus in the body a few days sooner than the antibody test can, and so can help screen blood donations.

30.   The Psychemedics test can also detect increased or decreased drug use by analyzing each half-inch increment of the hair sample separately, Kubacki said.