Essential database for biomedicine. Includes citations from MEDLINE and for biomedical articles in life science journals. A product of the National Center for Biotechnology Information.
A multidisciplinary abstract and citation database with enriched data and linked scholarly literature in science, engineering, medicine, social sciences, and some arts & humanities. Coverage is strongest from 1996 to present.
A multidisciplinary citation index covering journal articles and conference proceedings in sciences, social sciences, and humanities from 1900 to current. Provides cited reference searching and journal impact factors.