51.   The lower figure indicates that Microsoft is not the impregnable fortress depicted in the antitrust trial, McKenzie writes in a paper that presents the results of his survey.

52.   The physicians, led by Dr. Emile Ferrari, presented their results in Chest, a publication of the American College of Chest Physicians, last year.

53.   The researchers presented the results this week at a meeting of the Eastern Psychological Association in Providence, R.I.

54.   The results have been presented at professional meetings over the last few days.

55.   The results were presented at the annual meeting of the Gerontological Society of America.

56.   The researchers are also presenting the results at a news conference Friday at the National Institutes of Health in Bethesda, Md.

57.   The researchers were also set to present their results at a meeting that year of the American Psychological Association, Mele said.

58.   The results were presented at a recent meeting of the Society for Academic Emergency Medicine and appeared in Resuscitation, a monthly journal.

59.   The results were presented at the annual American Heart Association meetings in Anaheim, Calif., and published Thursday in the New England Journal of Medicine.

60.   The results were presented Friday at a meeting of the American Astronomical Society.