41.   The test detects the presence of the disease by spotting the antibodies that our immune systems create to fight AIDS.

42.   The test detects both Hemopure and Oxyglobin, a similar product approved to treat anemia in dogs.

43.   The test detects the presence of the bacterium Helicobacter pylori, or H. pylori.

44.   The urine test can detect direct use of EPO, but only for three days.

45.   The team needs to determine whether its test actually detects cancer earlier than standard methods and, if so, whether earlier diagnosis would improve therapy and survival rates.

46.   The test detects so-called neutralizing antibodies, which can be produced as a protective immunological reaction to a vaccine.

47.   The tests can detect corrosion or hairline cracks that are invisible to the human eye, ride safety experts said.

48.   Then they could ask whether the PSA tests had detected the disease in men who were later found to have aggressive cancers.

49.   This test detects a tumor marker called lysophospholipids, whose levels are significantly elevated in women with even early-stage ovarian cancer.

50.   Typically, urine tests can detect drug use up to the previous five days for most drugs.