Databases will help you find articles on a topic. Search them by keyword or subject.
E-Journal Portal will tell you if a particular journal is available online via the SLU Libraries.
SLU Libraries Catalog Journal Search will tell you if the SLU Libraries have a journal online, in print, or on microfilm.
1) start on the library homepage (even if you are using PubMed)
2) Use the E-Journal portal, SLUth, or a database to find an journal or article
3) click on. 
4) enter your SLU credentials
5) you should now be able to download/print
If an article isn't available online, you may request it via:
ILLiad: Digital Document Delivery. (you will need to fill out a one time account)