Publish with a journal that participates in PubMed Central.
Publish with a journal that will deposit manuscripts for you.
Submit the manuscript yourself.
If the journal in which you are publishing does not deposit either the published or manuscript version of your article, you will need to do it yourself using the NIH Manuscript Submission System. Depositing a manuscript takes only a few minutes and can be done by the primary investigator or a third-party. Here are some things to keep in mind.