1.   A number of factors undermine the credibility of these statistics.

2.   Hume believed that four factors undermine the credibility of reports of miracles.

3.   I accept that political activity in this country could undermine credibility, but it might just confirm credibility.

4.   In this way their credibility would be undermined and their power weakened.

5.   The practices of the press were to further undermine its credibility.

6.   This rather undermines his credibility as a detached observer.

7.   Charity knew that to protest any more would only undermine her credibility.

8.   Allowing an Arab to serve in a high profile in his government would undermine his credibility with Israeli Jews.

9.   And by forcing Davis into an apology, commissioner Tom Hansen undermined the credibility of the apology itself.