31.   But most fertility clinics now follow guidelines in which donors are tested for AIDS over a six-month period, and the donor sperm is frozen.

32.   But just before the count began, the canvassing board released a statement that said the workers would follow the guidelines set down in the Broward County recount.

33.   But Scoggins said these airports are safe as long as pilots keep their eyes open and follow federal guidelines for radio communication.

34.   But she said it was confident it was following guidelines issued by the IRS in its New York City operations.

35.   But the company can still operate at nonairport sites in Massachusetts if it follows strict new guidelines.

36.   By contrast, Philip Morris, the largest tobacco company, has followed the guidelines.

37.   But whatever time you decide to shop, following certain guidelines will make the experience more enjoyable.

38.   Contemporary history teaches that narrow victories do not necessarily guarantee weak presidencies, provided certain guidelines are followed.

39.   Diabetics should follow dietary guidelines established for them individually by a dietitian.

40.   Each has strict membership requirements and encourages members to follow guidelines set by the Appraisal Foundation in Washington, a Government agency.