71.   It shows that the drug works as well as daily shots and can be given through a smaller needle than Nutropin requires, Rowe said.

72.   It is not yet clear whether drugs based on errant genes found in Icelanders will work elsewhere.

73.   Knowing whether the proposed drug will work and forecast its chances of gaining US Food and Drug Adminstration approval sharply reduces the financial risks, Gadicke said.

74.   Little is known for sure about how the drugs work, but they seem to help children with attention-deficit disorders to focus.

75.   Most drugs work by trying to interfere with the functioning of the protein itself, but often interfere with more than one protein, causing unintended side effects.

76.   No one knows whether the drugs work.

77.   Often, drugs work well on tumor tissue samples in a laboratory but fail badly when tested on patients.

78.   On the flip side, drugs work better on some people because of their genetic makeup.

79.   Only in the third phase do companies enroll large numbers of patients to test whether the drugs work.

80.   Only then will they know how well the drug worked.