The MEDLINE database is widely recognized as the premier source for bibliographic and abstract coverage of biomedical literature. MEDLINE encompasses information from Index Medicus, Index to Dental Literature, and International Nursing, as well as other sources of coverage in the areas of allied health, biological and physical sciences, humanities and information science as they relate to medicine and health care, communication disorders, population biology, and reproductive biology.
PubMed, developed by the National Library of Medicine, provides access to over 11 million citations from MEDLINE and additional life science journals. It covers the fields of medicine, nursing, dentistry, the health care system, and the preclinical sciences. It is updated 5 times/week.
Natural Standard "is an international research collaboration that aggregates and synthesizes data on complementary and alternative therapies. Using a comprehensive methodology and reproducible grading scales, information is created that is evidence-based, consensus-based, and peer-reviewed, tapping into the collective expertise of a multidisciplinary Editorial Board."
UpToDate is an evidence-based, peer-reviewed clinical information resource designed to assist with diagnosis and treatment. With UpToDate, you can answer questions quickly, increase your clinical knowledge and improve patient care. Independent studies confirm these benefits.
NGC is an initiative of the Agency for Healthcare Research and Quality (AHRQ) External Web Site Policy, U.S. Department of Health and Human Services. NGC was originally created by AHRQ in partnership with the American Medical Association and the American Association of Health Plans (now America's Health Insurance Plans [AHIP]).
The NGC mission is to provide physicians and other health professionals, health care providers, health plans, integrated delivery systems, purchasers, and others an accessible mechanism for obtaining objective, detailed information on clinical practice guidelines and to further their dissemination, implementation, and use.