It is not a review or an evaluation.
It contains key words found in the larger work, but is not an excerpt form that work.
Simply click on the title of the article to read the abstract.
If you're having trouble thinking of search terms or aren't getting the results you expect, & you do find one article that is exactly what you want, look at how that article is indexed. On the Abstract page, click on the Publications Types, MeSH Terms, Substances link below the abstract. You'll find MeSH terms that you can add to your search to improve your results.