Provides access toPubMed, human genome resources, entrez databases, and nucleotide databases, as well as tools for data mining and sequence analysis.

Chemical Abstracts Service database of the chemical literature; indexes journals, conference proceedings, patents, dissertations, reports, and books. Includes step-by-step synthetic procedures for reactions, as well as retrosynthesis information. Some full text is available.

Multidisciplinary index covering topics in the sciences, social sciences, and humanities. It is the electronic equivalent of theArts & Humanities Citation Index,Social Sciences Citation Index, andScience Citation Index. Some full text is available.