How do I know if I can get the full text of the article online?
Although many articles are in full-text, not all of them are. Look for several clues: HTML full-text will give you the article in a word processed format. Often photos and charts are missing.
Clicking on PDF will pull up the article using Adobe Acrobat. The article will look exactly as it did in the original journal. Using the PDF format will make it easier to cite a quotation from the exact page it was written on.
Linked Full Text may take you to the article by the backdoor by using a different database.