11.   Wood says that reviews of previous work, and negative results, never get published elsewhere.

12.   Neither was any particular symptom present in patients with a positive bile provocation test that was not present in those patients with a negative result.

13.   However, it allows only about one third of patients to be diagnosed and therefore a negative result has little value.

14.   Eradication of H pylori was defined as negative results by histological tests in all biopsy specimens at least four weeks after the end of treatment.

15.   The boy was screened for inborn errors, with negative results.

16.   And so, Dr. Zahm said, it remained possible that the negative results were spurious.

17.   Better not to dwell very long on the potential negative results.

18.   A negative result means more business executives are pessimistic about the outlook for the economy than optimistic.

19.   A negative result on a nasal swab tells even less.

20.   A negative result will either be relayed by a live counselor or a taped message.