31.   As a window into the question, the authors examined the debate over the safety of calcium-channel antagonists, which are used to treat hypertension.

32.   AZT is used to treat people infected with HIV and has been particularly effective in reducing the transmission of the virus from pregnant women to their unborn babies.

33.   Back in his native Jamaica, he said, marijuana was widely used to treat different ailments.

34.   Based on that theory, she prescribed a combination of steroids, Valium and the hormone Prednisone, used to treat that disease.

35.   Because of the risk of agranulocytosis, Clozaril is usually used to treat patients who are resistant to other drugs.

36.   Bayer also makes Baytril, the animal version of Cipro, which is used to treat respiratory problems in chickens and turkeys.

37.   Billett, a biochemist at Nottingham Trent University in England, began studying phenylethylamine because studies have shown it can be used to treat some forms of moderate depression.

38.   Betaseron is used to treat multiple sclerosis.

39.   Bone marrow transplantation, in which cells from a donor are given to a cancer patient, has not previously been used to treat kidney cancer.

40.   Both companies make devices used to treat heart problems.