Indexes biomedical research from MEDLINE on medicine, nursing, dentistry, veterinary medicine, the healthcare system, and preclinical & life sciences.  From the U.S. National Library of Medicine.

Indexes articles, book chapters, and dissertations on behavioral and psychological topics.  Includes social work.  Coverage is from 1887.

Full-text journals for life and health sciences from 1995-present.  Includes abstracts for other scientific information.

Full-text collection of journals in business, humanities, social sciences, science, technology, and medicine.