The following articles will be used as examples for the remainder of this guide, identified by the red arrow ⇒.
Click on this link to access the PubMed records for these articles. To access the full-text of the articles, change the display format to Abstract, then click on the PMC Full-text icon.
Bring up the full-text for all 3 articles for use throughout the rest of this guide.
(If the link does not bring up the 3 articles, just click on the article PMIDs, and bring up each article individually.)