21.   The study compared results between teams headed by male and female sales managers in a number of different areas.

22.   The study compared four versions of levothyroxine, a hormone replacement given to about eight million Americans with underactive thyroids.

23.   The study compared scores from one state to another by students from similar socioeconomic backgrounds and found that youngsters in Texas did especially well.

24.   The study compared students who had an extensive course, those who had a shorter course and those who had no training.

25.   The study compared the effectiveness of the procedure against treating the symptoms medically.

26.   The study first will compare Faslodex to anastrozole.

27.   The study in particular compares Texas to California.

28.   The study also compared white nominees to minorities.

29.   The study compared children receiving state health care with kids without any health insurance.

30.   The study compared death rates in wine, beer, spirits drinkers and in non-drinkers.