Use these databases to find scholarly articles.
Finding review articles is easiest in PubMed. >>>
From the Results screen, simply choose "Review" under "Article types" on the top left.
Unless the database has an easy "Review" limit like PubMed, there is no perfect way to find review articles.
There is no perfect way to find primary research articles.
For more reliable Google results, you can limit your search to a particular site or domain.
Sites from U.S. institutions of higher education and the U.S. government tend to be more reliable than .coms and even many .orgs.
e.g. "treacher collins" protein site:.edu
e.g. "treacher collins" protein site:nih.gov