21.   However, the patients who have had the transplant were using other therapies as well, including powerful antiviral drugs called protease inhibitors.

22.   In addition, medical experts questioned whether the powerful drugs and expensive, painful tests administered by some of these doctors are an appropriate treatment.

23.   In Rio de Janeiro, officials repeatedly fail to curb the violence of the powerful drug organizations.

24.   In the past two years, infections that occur as complications of HIV have sharply fallen, thanks to powerful new AIDS drugs.

25.   In the United States, most pregnant women with the human immunodeficiency virus are treated with a course of AZT, a powerful antiretroviral drug.

26.   It can pay for two of his antiviral medications, but not for the protease inhibitor, the most powerful drug in his combination.

27.   It is an axiom of the industry that testosterone is the most powerful drug on the road contributing to accidents.

28.   Just a few years after powerful new drugs taken in combination seemed to promise a kind of deliverance from HIV, the virus has fought back.

29.   Many other powerful drugs, including cocaine, heroin, nicotine, caffeine, codeine, morphine and strychnine also come from plant alkaloids, Plotkin noted.

30.   Medicaid would help them get protease inhibitors and other powerful drugs so they could fight off AIDS and continue working.