21.   REEF maintains a standardized data base to globally monitor reefs and make international comparisons.

22.   Smeeding is drafting two papers drawing international comparisons of income.

23.   Some conservative analysts question whether international comparisons of prosperity should even be attempted.

24.   That makes international comparisons of health care extremely useful.

25.   That might explain why American students continue to lag in international comparisons, even as their scores on national tests improve.

26.   The center also conducts international comparisons of statistics, such as the Third International Mathematics and Science Study.

27.   The money works out about the same, but the practice makes international comparisons far more complicated.

28.   The suggestion that dietary fat may influence the risk of breast cancer originally arose from international comparisons.

29.   U.S. students rank last on most international academic comparisons.