Some databases provide you with a link to the full-text of the article. To locate others that are not full text, try one of these options:
In the database click on the Get it @ Queen's Link icon (show below):
This will take you to another window which identifies other databases that have full-text of your article. However your article may only be available in print so always check QCAT. If Queen's doesn't have access to it, you can request it through InterLibrary Loan.