1.   But instead of concentrating on treating waste, research was needed into fundamentally cleaner processes that conserved water and reduced waste.

2.   More research is needed into the ways in which this virus is spread.

3.   The optimum use of the micro in these ways needs further research.

4.   We need basic research into the causes of mental illness.

5.   Further research is needed under rather more naturalistic conditions.

6.   Further research is urgently needed if we are to find a cure.

7.   We also consider the areas that need further research.

8.   Certainly more research is needed in this area, especially in the provincial context, before we can make confident generalisations.

9.   More research is needed in how to make safety seats more effective in such crashes.

10.   However, Mr Clayton said more research was needed before the possibility of health risks could be ruled out.