Learn more about the peer review process. (Film by NC State University)
Peer review articles are often written in an IMRaD format with four main sections:
Peer review articles usually have an abstract as well, summarizing the content of the article. There's also a reference list at the end of the article.
Some databases have the option to limit the search to peer review journals. Look for a box saying "Peer review" use it once you have created your final search strategy. Note! PubMed doesn't offer limiting by peer review.