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Authoritative reference to the most important individuals, events, and topics in the United States, spanning more than 500 years of political, military, social, and cultural history. The resource is organized by content type, topic, era, and activity as well as by the National Standards for U.S. History.
Search all of our FactsOnFile databases at once! Includes African-American History Online, American History Online, Ancient and Medieval History Online, and Modern World History Online.
Extensive information from the National Institutes of Health and other trusted sources on over 650 diseases and conditions, lists of hospitals and physicians, a medical encyclopedia and a medical dictionary, information on prescription and nonprescription drugs, and links to federally funded clinical trials.
eResources on many topics made possible in part by Library Services and Technology Act (LSTA) funds from the U.S. Institute of Museum and Library Services and through the Commonwealth of Pennsylvania's Library Access funds administered by the Pennsylvania Department of Education, Office of Commonwealth Libraries.