11.   Avoid making major lifestyle changes based on preliminary studies, single studies or the advice of a single expert citing his or her personal experience.

12.   Beer drinkers raise your mugs -- a beer a day may help ward off cataracts and reduce the risk of heart disease, according to preliminary studies released Monday.

13.   Before beginning the prevention trial, the Australian researchers conducted a preliminary study to test the criteria they were using to determine high risk.

14.   Bema Gold Corp. said a preliminary economic study supports its plan to develop the Cerro Casale gold and copper property in Chile into an open-pit mine.

15.   Both Dodson and Perdnard say that some of the regional Superfund managers may want to wait until the preliminary studies at Libby are available.

16.   A preliminary study by the Puerto Rican government has shown a high incidence of vibroacoustic disease, a rare disorder associated with loud noises.

17.   A preliminary study sponsored by the federal government has found that a genetically engineered flu vaccine is as effective as the one now in use.

18.   After a preliminary study, Hebrew University herpetologist George Haas suggested that while the fossil looked serpentine, there was no evidence that it was closely related to snakes.

19.   After the grinding, sifting and mixing of Chinese herbs during preliminary studies came to resemble a small construction site, the project was moved to the parking garage.

20.   But the preliminary studies indicate that such transmission is inefficient in virological terms, meaning that it spreads slowly.