BIOSIS Previews is the premier database in the biological sciences, subject coverage includes agriculture, biochemistry, bioengineering, botany, ecology, genetics, microbiology, pharmacology, and zoology. Approximately 5,500 serial publications as well as books, proceedings and meeting abstracts, technical reports, review papers, and patents are indexed. There are 58 separate data fields that can be searched including author, title, publication source, organism, concepts, super taxa, publication type, author affiliation, and abstract keyword. Searches can be limited to review articles. 1926-present.