Start by giving a brief introduction and the necessary background to the study, and state its purpose. Describe the specifics of what this study involved. What were the major findings and results? How useful or significant are the findings. Identify any gaps in the study. In general, your written review should provide enough detail so that someone reading it can understand the approach taken by the researchers, the findings, and any shortcomings or limitations of the study. Your final document should be well written and checked for grammatical errors.