1.   It can be argued that these tests are a reliable indicator of performance when tested under controlled conditions.

2.   Users were intercepted as they approached a terminal to either catalogue and asked to undertake their searches under controlled conditions.

3.   The test was done under controlled conditions.

4.   In the immediate future, the biological synthesis of specific products is likely to be confined to bacterial cultures under strictly controlled conditions.

5.   The stout, ales and lagers are brewed to exacting specifications, under stringently controlled conditions.

6.   Scientists use experiments, especially those which can be carried in a laboratory or under controlled conditions to simplify these interactions.

7.   The law, approved by parliament earlier this month, allows doctors to perform euthanasia at the explicit request of their patients under tightly controlled conditions.

8.   Atomic oxygen, found only on the fringes of the atmosphere or in controlled conditions in the laboratory, consists of single atoms.

9.   A farmer who ends up with half the yield a researcher might get from crops grown in perfectly controlled conditions is having a great year.

10.   A group from Ontario hopes to prove this in controlled conditions by inducing the sensations of being snatched by little green men.