31.   Al Gore visited a school in China recently and watched students gather weather data.

32.   All that is necessary is to specify models and gather data.

33.   But clinical doctors and medical scientists have resisted them on the grounds that gathering enough data to produce valid scientific conclusions would be too difficult and costly.

34.   But he continued to give sulindac to patients with FAP, to gather data and to publish results, though they got little attention.

35.   But in the book industry it is widely believed that The Times gathers sales data both from independent book sellers and chain stores.

36.   But it was never widely used by regulators because it was thought to be too difficult to gather market data.

37.   But it often takes years for pharmaceutical manufacturers to gather enough data to convince the FDA to approve additional uses of a product.

38.   But journalists, ignorant of statistics and science, gather data in ways that lead to inaccurate conclusions.

39.   But many companies are indirect, offering attractive, free entertainment to build a profile for their products and, in some cases, to gather marketing data.

40.   But she enrolled in a diabetes prevention trial led by the National Institutes of Health, taking Rezulin to help gather data that might help diabetics like her son.