You can refine your journal article search in a number of ways to narrow your results (using the left-hand pane of the search screen).
Find journal articles in Discover
Select Journal articles from the drop down menu and search for your keywords
Use the left side menu to refine your search (Peer Reviewed Journals, Articles, Date range)
You can remove these refinements under your Active filters
If you would like to keep these filters for your search session. Hover them and select the padlock. Now if you need to search again with new or different keywords you won't need to add your filters again.
Select Full text available and select a database to view the article. If there are multiple databases listed, select the database that includes the year the article was published.
Once in the database, you may need to find the correct year, volume and issue numbers to get the PDF.
Look for PDF, Download, or Full Text links to get the full text article.