1.   This is just as well because trichomonal infection causes changes in the cells of the cervix which mimic those that precede cancerous changes.

2.   Gold does have a relationship to inflation, Schneiders said, but significant changes in gold prices probably precede a change in inflation by as much as a year.

3.   The speed limit change was preceded by weeks of media coverage and debate over the wisdom of letting people drive legally at the speeds they already drove illegally.

4.   Thundershowers will precede the change to autumn weather.

5.   She affirmed that reforms were necessary but said that economic reforms should precede political changes.

6.   Under the agreement announced Tuesday, consultations will precede any changes.