Critical authoritative review articles consisting of examinations of scholarly advances in a number of fields of science and social science. Each summarizes a topic, evaluates the state of research on that topic, and lists relevant published research in lengthy bibliographies.
From Gale Virtual Reference Library. Explains biological concepts and explores related fields as well as the history of biological science. Discusses critical issues such as embryogenesis and commercial applications of research in biology and addresses ethical issues.
The Cochrane Library is a unique source of reliable and up-to-date information on the effects of interventions in health care. Be sure to limit your search to the Cochrane Database of Systematic Reviews (on the Advanced Search screen).
MedlinePlus is a goldmine of health information from the world's largest medical library, the National Library of Medicine. It has extensive information from the National Institutes of Health and other trusted sources on over 650 diseases and conditions.