A biomedical database containing millions of citations from MEDLINE, life science journals and online books covering medicine, nursing, dentistry, and more. Free from the US National Library of Medicine.PubMed Tutorials.
Web-based reference management tool to collect references from online databases, websites and other sources. Easily insert citations into papers and automatically format reference lists. Sharing tools for groups. RefWorks tutorials
Scopus is a multidisciplinary navigational tool that contains records going back to the mid 1960s, offering newly linked citations across the widest body of scientific abstracts available in one place.