61.   If less than the recommended dosage is taken, the drug does not work.

62.   If the drug works properly, the addict will logically choose the cash.

63.   Imaging technology now allows researchers to observe the brain in action, providing insights into the diseases and objective measurements in evaluating how drugs work.

64.   In a small percentage of the participants tested, however, the drugs do not work completely and a surgical procedure is needed to finish the abortion.

65.   In contrast to Phase I studies, which concentrate on safety, in Phase II, researchers look for signs that the drug works.

66.   In each case, their doctors had stopped prescribing Posicor because the drug was not working well.

67.   In his laboratory, Neu researched how drugs worked in the test tube.

68.   In the meantime, scientists who simply want to know if their experimental drugs work in animals say they are facing endless frustration.

69.   In two months, she will find out if the drug has worked.

70.   It is unethical to withhold a proven medicine to test whether an experimental drug might work better.