In PubMed, there is a feature called "Similar Articles." Click on this option to find other articles that are indexed in a similar way to the one you chose. You can find it on the right-hand menu inside the article record, and at the bottom of the article page.
If you find an article that is very relevant, search the reference list to identify other literature that may be pertinent to your research.
In PubMed, these articles are listed in the article record under the heading "Cited By."
