51.   His monthly cultures were negative for TB.

52.   Her clothes, apartment, office and car turned up negative for anthrax.

53.   His next proposed bout might be floored because the host city has tested negative for cash flow.

54.   However, interpretive difficulties arise when a woman with a family history of breast or ovarian cancer tests negative for BRCA mutations.

55.   Immediately after the attack, the man tested negative for HIV.

56.   Investors say they expect more of the same this week if the budget controversy is still unresolved and the Kemp report turns out to be negative for munis.

57.   Investors were worried that a failure of reform in Brazil would lead to economic turmoil across Latin America that would be very negative for Wall Street.

58.   It was the first time since January that the exchange was negative for stock funds.

59.   It would be bad because if Gore wins and the Democrats take the House, his spending programs will be negative for the market.

60.   Ken has tested negative for the human immunodeficiency virus.