Scopus is the largest abstract and citation database, including peer-reviewed titles from international publishers, Open Access journals, conference proceedings, trade publications, quality web sources. Subject coverage : Chemistry, Physics, Mathematics and Engineering ; Life and Health Sciences ; Social Sciences, Psychology and Economics ; Biological, Agricultural and Environmental Sciences

Multidisciplinary coverage of over 10,000 journals in the sciences, social sciences, and arts and humanities, as well as published proceedings for over 12,000 conferences per year, and over 50,000 scholarly books.Powerful tools allow you to search and see what articles in the database have cited a particular work, as well as perform other analytics.

Embase is a major biomedical and pharmaceutical database indexing international journals in the fields of drug research, pharmacology, pharmaceutics, toxicology, clinical and experimental human medicine, health policy and management, public health, occupational health, environmental health, drug dependence and abuse, psychiatry, forensic medicine, and biomedical engineering/instrumentation.

PubMed was developed by the National Center for Biotechnology Information (NCBI). It was developed in conjunction with publishers of biomedical literature as a search tool for accessing literature citations and linking to full-text journals at web sites of participating publishers.

A tool to help researchers discover the most relevant protocols and methods. It brings together content from SpringerProtocols, Nature Methods, Nature Protocols and Protocol Exchange.