61.   The new data is difficult to compare since the studies involve different combinations of drugs and varying severity of disease.

62.   The new study involved transplanting pig islet cells to mice, because such transplants are being discussed for treating diabetes.

63.   The six studies involved thousands of related couples.

64.   The studies involved patients in the United States, United Kingdom, Sweden, Spain, New Zealand, Italy, Hungary and Australia.

65.   The study involved addicts, who had tried and failed repeatedly to kick the habit.

66.   The study involved an extended-release form of metoprolol, a type of medicine known as a beta blocker.

67.   The study involved aptiganel, or Cerestat, which is part of a once-promising class of experimental drugs known as neuroprotective medicines.

68.   The study involved Army women who were not believed to have been pregnant when they got their shots.

69.   The study involved daily doses of tablets containing vitamins C, E and beta-carotene plus zinc.

70.   The study involved patients who suffered a stroke or other trauma to the left side of their brain, the site of speech-recognition functions.