But the very process in some people can lead to cancer.

But when families and friends are involved in making decisions, the process can lead to yet more problems.

We have seen since the 1970s where that process leads.

This process may have led to the origin of life on Earth.

Both human and natural processes can lead to air pollution.

Perhaps the process of interpretation would have led to the final outcome in any case.

This process, in particular the intervention of the army, has led to criticism.

The process leading to loss of material is known as "wear".

This process may lead at a certain stage to the establishment of parties.

This process has led to an increase in the number of programmes at national level.