This may include a review of the literature or an outside expert.

Adolescent sexual health and practice: A review of the literature.

And no one was going to solve the mystery by literature review alone.

Critical and analytical study of the literature review on violence against women, 2008.

"This report is simply a review of the literature by a committee that's reached some conclusion," he said.

The theoretical framework and the literature review should also work together.

The 2002 report was a follow-up to a similar review of the literature published between 1993 and November 1997.

Green tea and cancer in humans: a review of the literature.

A report of six cases, with a review of the literature.