1.   Old-timers were very adamant about which medicines worked for them and which did not.

2.   She had been diagnosed the previous summer with congestive heart failure, but for a year a new medicine worked well.

3.   No medicine worked, since the only known treatment for radiation sickness was rest.

4.   Er, and I expect that margin to continue rising and be much higher again next year, so the medicine is working there.

5.   And one leading expert said the mouse experiments did not address the critical question of how the medicine might work in someone already exhibiting the characteristic smallpox lesions.

6.   Antihistamines do help, Kaszuba wrote, by limiting the immediate response to any exposure that occurs while the medicine is still working.

7.   Before the medicine could work, Wahidur died.

8.   Besides potentially helping those with HIV know if antiretroviral therapies are working, delavirdine mesylate could help researchers learn faster if new HIV medicines will work.

9.   For physicians like Levy, the question of whether unconventional medicine actually works could be largely irrelevant.

10.   It was a notion that called into question what medicine had wrought.