The National Library of Medicine's free article search engine, containing article references from MEDLINE, PreMEDLINE, OLDMEDLINE, plus publisher-supplied and out-of-scope citations from science and chemistry journals.
Database with abstracts and citations of research literature and quality web sources, including journals, conference proceedings, trade publications, abstracts, and patent records. A multidisciplinary resource covering materials from the humanities, sciences and social sciences. Also indexes EMBASE and allows you to locate the most highly cited items and the articles that cite them.
Date Coverage: 1970-present; selected access back to 1823
Database of reproducible laboratory protocols in the biomedical and life sciences. Offers researchers access to tested, trusted, step-by-step protocols for immediate use in the lab.
Formerly open access repository of science methods.now owned by Springer Nature.
Many of the protocols are open access.
Can search and view protocols without setting up a free account.