1.   This could be compared with an estimate of the same prevalence from some previous survey to give a measure of secular change.

2.   After months in which Bush seemed to have the advantage, national polls made public this week showed the race closer than previous surveys by the same organizations.

3.   But according to a previous Kaiser survey, few women are aware of either of the diseases, or their consequences.

4.   But Rosenberg said that previous surveys had shown that when studies were controlled for poverty, education and income, homicide rates by blacks and whites were very similar.

5.   In previous surveys, public school students have expressed reservations about their teachers.

6.   In the previous survey, conducted six months ago, they lagged their smaller and lesser-known rivals in most heavy-user scenarios.

7.   Marks said the remarks were not tabulated because they were similar to responses in previous surveys.

8.   Previous surveys relied on reports from doctors, thus counting only people who had sought medical help.

9.   Previous surveys of doctors elsewhere had shown that a fairly high number of them were breaking the law, privately, and helping their terminally ill patients die.

10.   Rice said a previous survey of Washington doctors found them almost evenly divided over whether physician-assisted suicide should be legally allowed.