31.   If strong resistance to a drug develops in a population of germs, the drug may become useless for some conditions.

32.   If such drugs become available, doctors will not be restricted, at least in theory, to the ovaries of living women.

33.   If that happens, the drugs may become ineffective, even if the person contracts the virus in the future.

34.   In just weeks the drug has become an integral part of our culture, a universal reference point.

35.   In that kind of situation, drugs become a release.

36.   In several years, though, analysts expect the drug to become a major blockbuster, carrying Lilly through the patent expiration of its wildly successful antidepressant Prozac.

37.   Lieberman is campaigning in an area where prescription drugs have become a critical issue.

38.   Many of the homes are in disrepair and residents say crime and drugs have become a problem.

39.   Maybe it was why some people taking asthma drugs quickly became resistant to them and others did not.

40.   No one has any estimate of how many drugs may become eligible for approval under the new regulations.