1.   In Wiltshire out of more than a thousand tests fifty one proved positive compared with sixty last year.

2.   Colgate was just one of a string of worse-than-expected quarterly earnings announcements that weakened investor optimism that profits might prove uniformly positive.

3.   When the initial DNA test proved positive, the reunion became a national sensation and boosted claims that there had been a systematic kidnapping of babies.

4.   Until the first test proved positive here is was believed that the International Olympic Committee medical commission had no means of detecting Bromantan.