31.   The study compared patients treated with a variety of standard cardiac therapies with patients who received similar treatment with the addition of the drugs.

32.   The study compared the effects of three kinds of drugs on black patients who had high blood pressure and elevated levels of protein in their blood.

33.   The study compared the prescription histories of patients who subsequently had heart attacks with those of patients who did not.

34.   The study compared the three largest investor-owned water firms in California to the large municipal ones serving Contra Costa and Alameda counties.

35.   The study compares mortuary costs of direct cremation, direct burial, direct burial with a graveside service and a complete funeral with a minimum price casket.

36.   The study did not compare the amount of indigent care today to what has been provided in the past.

37.   The U.N. study compared women who took three different regimens of the two drug combination with those who took dummy pills, or placebos.

38.   The University of Iowa study also compared the performance of companies involved in hostile takeovers with those carrying out friendly ones.

39.   To that end, the government-sponsored studies compare various short courses of AZT with a dummy drug, or placebo.

40.   Trying to address the problem, earlier studies compared students with similar standardized test scores and grade point averages who attended more and less selective schools.