51.   Researchers at the National Institutes of Health and elsewhere are developing new tests.

52.   R. Wendell Williams, the founder and managing director of ScientificSelection.com, works with new-economy companies to develop selection tests.

53.   Researchers previously have said a test could be developed within two years.

54.   Scientists at EXACT Sciences Inc. have developed a test that can pick up mutated human DNA shed from the surface of colorectal tumors and excreted in a stool.

55.   She said the test should be developed by an independent, nonpartisan board like the National Assessment Governing Board, which administers the National Assessment of Educational Progress tests.

56.   Some illnesses may represent pathogens for which no test has been developed, she said.

57.   Since then, the Tour and the sport itself have attempted to regain public confidence by developing new tests to detect drugs.

58.   STC has developed tests for other narcotic substances using the Orasure technology, as well as one for detecting a byproduct of nicotine.

59.   Tests have been developed to detect each type of hepatitis and to eliminate contaminated blood from transfusions.

60.   The company has developed a test that screens hypertensive patients for the presence of this mutation.