First, it helps to understand the nature of the evidence on which the various recommendations were based.

The recommendation was based in part on studies of how water would flow through the mountain.

But other scientists said his recommendation, based on experiments in just 17 people, needed much more study.

As a result, recommendations for management are primarily based on expert opinion.

The recommendation was based on the thought that the red symbolizes the power and the white peace.

This recommendation is based on a realistic and modern vision of the European economy.

However, until recently, this recommendation was based only on hearsay.

The recommendations were based on clinical trials involving more than 50,000 people.

The recommendations given were based on three development phases, which helped in creating the existing work plan.

The recommendation is based on five studies showing that the combination cuts death rates by 30 to 50 percent.