| Two threads in the literature raise important questions about their validity. |
| I will return to the question of scientific validity at the end of my reply. |
| This would raise even more questions about the validity of the use of an MLAT, and the Home Office's involvement in it. |
| Yet this must surely raise questions over the validity of the prize itself. |
| No question of the validity of a law made by the Parliament arises in these proceedings. |
| While scientists may well query the value of this kind of concept, I am sure that many social scientists will query its entire validity. |
