Note that many of these sources only index journal articles—they don't actually have the full text.
To access full text:
Includes access to over 1,800 professional journals, chapters, books, reports, theses and dissertations, published internationally. Additionally, there are more than 8 million cited references in 185,000 journal articles, books, and book chapters.
Subject Coverage
PubMed comprises over 23 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content in library subscription databases, from PubMed Central, and publisher web sites.
GUIDES:
The PubMed User Guide provides the information in search, cite, save, share, and other areas. Please visit the Guide for guidance. To learn more about how to navigate PubMed, visit PubMed Tutorial.
ScienceDirect hosts over 3,800 journals and more than 37,000 books—over 14 million peer-reviewed publications..
Features:
Scopus is an abstract and citation database of peer-reviewed literature covering scientific journals, books, conference proceedings, datasets, and funding data dating back to 1970. Delivering a comprehensive overview of the world’s research output in the fields of science, technology, medicine social sciences and arts, and humanities. Scopus features tools to track, analyze and visualize research.
The Scopus Information site contains a wealth of resources including:
• User guides and tips
• Title lists
• Quick tips and Frequently Asked Questions
For more information, visit:
• Scopus LibGuide
• Scopus Blog
• Scopus Search - Tips & Tricks
• Scopus Webinars
• Scopus APIs