One early reason for banning tests was the idea that, as years passed, the Russians and Americans would doubt the reliability of their bombs and thus be reluctant to use them.

CNN: ASIANOW - Asiaweek

The second cloud over tropical certification schemes, as Wal-Mart may find, is doubt about their reliability.

ECONOMIST: Western consciences can do only so much to conserve forests

They cast doubt on the reliability of her memories and suggested there was a possibility they could be false.

BBC: 'Memories' of historic abuse leading to justice errors