ERIC (Educational Resources Information Center) is the world's most widely used index to educational-related literature. Established in 1966, ERIC is supported by the U.S. Department of Education's Office of Educational Research and Improvement and is administered by the U.S. National Library of Education
PubMed comprises more than 27 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.