Alexa Internet, Inc. is an American company based in California that provides commercial web traffic data and analytics.
George D. Lundberg is an American board-certified pathologist and, from February 1999 to January 2009, editor of Medscape.
JAMA: The Journal of the American Medical Association is a peer-reviewed medical journal published 48 times a year by the American Medical Association.
MEDLINE (Medical Literature Analysis and Retrieval System Online, or MEDLARS Online) is a bibliographic database of life sciences and biomedical information.
Medscape is a website providing access to medical information for clinicians; the organization also provides continuing education for physicians and health professionals.
The Nasdaq Stock Market is an American stock exchange.
The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library.
WebMD is an American corporation known primarily as an online publisher of news and information pertaining to human health and well-being.