51.   The researchers then compared the rate of metastasis between the groups of mice.

52.   The researchers compared the findings from joggers with results from non-joggers.

53.   The researchers then compared the long-term outcomes of the two groups.

54.   The researchers also compared the youngsters with children in the study who were not considered for tubes, and again found no difference.

55.   The researchers compared notes over the weekend about the many ways the attacks have sharply altered the landscape of public opinion.

56.   To search for clues to the disease cause, the researchers compared the reported diets of those with cancer and those who are cancer-free.

57.   When the researchers compared brain scans, there was a clear difference in brain activity between the ADD patients and the other boys.

58.   Institute researchers compared fatal crashes of cars with anti-lock brakes to those involving otherwise identical vehicles with regular brakes.

59.   The researchers compared the behavior of doctors facing fewer than two legal claims against those with two or more claims.