There have been similar studies where the scale is from 0 to 10.

A similar study is under way in young, healthy women.

The figure of two million was the same found in a similar study conducted from 1975 to 1980.

For four years they both carried on similar studies, working sometimes in the same study groups.

Those figures have changed little since a similar study was made three years ago.

I was reading about a similar study with dogs a few years ago.

Similar studies in children younger than 13 showed the same thing.

However, similar studies are not carried out where a global population is at risk.

These and similar studies had a number of important implications.

A similar study five years later had the same outcome.