41.   Before the mistake was discovered, Crew had been a leading advocate for using standardized tests to hold students and educators accountable.

42.   Both tests have been used in research for several years.

43.   A recent e-mail urged all women to seek screening for ovarian cancer using a test that, in reality, is not reliable.

44.   A lawyer for Ray, William Pepper, said he hoped to use two tests.

45.   A more sensitive test is being used to screen for both gonorrhea and chlamdyia, officials said.

46.   AIDS doctors use resistance tests in the belief that the findings help them make more informed decisions about which drugs to use.

47.   All of the schools reported they were using standardized tests to assess achievement and most were also using other measures such as oral presentations by students.

48.   Both the New York City Transit Authority and the Long Island Rail Road also use secondary tests that allow engineers to identify red, green and amber separately.

49.   But be warned when using these tests.

50.   But he said he hoped that Pakistan would refrain from conducting its own blasts and use Indian tests instead as leverage for economic and political aid.