If you find an article that is listed in PubMed as an “epub ahead of print” it means that the publisher has listed the article online before it is available in print. Epub ahead of print articles may not be accessible to our users even if the library subscribes to the journal. You can try to look directly on the journal’s site for an “online first” (or similar) section to see if the article is there. Otherwise, these articles should be available after a month or so. Please contact the library if you need help finding an article.