Use LibKey.io to search for full text articles by DOI (digital object identifier) or PMID (PubMed Identifier).
LibKey.io will search library-subscribed resources and open access content, then provide links to the full text.
Visit the LibKey.io website or use the search box above.
Enter the DOI or PMID into the search box and click Find article.
If available, select from the full text format options: Download PDF or Article link (HTML).
You can also select View article in context to visit the table of contents for the journal issue where the article was published (via BrowZine). You may find similar articles from the same publication.