31.   It should be used within a day or it will begin to wilt.

32.   Keep in mind that refrigerated leftover turkey should be used within two to three days.

33.   Keep it well wrapped and refrigerated, and use it within a few days.

34.   Lewis had the right to use them within three years, but decided to defer work on his planned biography of Ford.

35.   Local law enforcement officials have been receiving training on the INS computer system and plan to start using it within days.

36.   Microsoft, it turns out, has been revamping the E-mail system it uses within its virtual walls.

37.   Ms. Coleman cited several cases in which a cultural defense was used within an immigrant community and had helped a defendant avoid serious penalties.

38.   New Jersey state health officials said that there was no data available to determine how often, if at all, the procedure was used within the state.

39.   Once a can has been opened, it should be refrigerated immediately and used within two days, or it can be frozen indefinitely.

40.   Patients in such plans are joining not just an HMO but also a subgroup of doctors and hospitals that they can use within it.