Scopus delivers one of the most comprehensive overviews of the world’s research output in the fields of science, technology, medicine, social sciences and arts & humanities. It provides smart tools to track, analyze and visualize research from over 50 million records including 20,000 peer-reviewed journals. Published by Elsevier. * (New subscription as from January 2014)
Google Scholar provides a simple way for authors to keep track of citations to their articles. You can check who is citing your publications, graph citations over time, and compute several citation metrics.
ScienceDirect is a full-text scientific database offering journal articles from more than 2,500 peer-reviewed journals. UNU’s subscription covers journals published since 1995. Published by Elsevier. *
PubMed comprises more than 23 million citations for biomedical literature from MEDLINE, life science journals, and online books.
* Subscriptions restricted to members of the UNU Community.